[PATCH] ARM: cleanup vmalloc start/offset macros
VMALLOC_START and VMALLOC_OFFSET are common between all ARM machine classes. Move them into include/asm-arm/pgtable.h, but allow a machine class to override them if required. Signed-off-by: Russell King <rmk@arm.linux.org.uk>
This commit is contained in:
parent
5cd0c34420
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5c3073e691
21 changed files with 17 additions and 209 deletions
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@ -1,15 +1,4 @@
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/*
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* linux/include/asm-arm/arch-cl7500/vmalloc.h
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*/
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/*
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* Just any arbitrary offset to the start of the vmalloc VM area: the
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* current 8MB value just means that there will be a 8MB "hole" after the
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* physical memory until the kernel virtual memory starts. That means that
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* any out-of-bounds memory accesses will hopefully be caught.
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* The vmalloc() routines leaves a hole of 4kB between each vmalloced
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* area for the same reason. ;)
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*/
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#define VMALLOC_OFFSET (8*1024*1024)
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#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
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#define VMALLOC_END (PAGE_OFFSET + 0x1c000000)
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@ -17,15 +17,4 @@
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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* Just any arbitrary offset to the start of the vmalloc VM area: the
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* current 8MB value just means that there will be a 8MB "hole" after the
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* physical memory until the kernel virtual memory starts. That means that
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* any out-of-bounds memory accesses will hopefully be caught.
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* The vmalloc() routines leaves a hole of 4kB between each vmalloced
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* area for the same reason. ;)
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*/
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#define VMALLOC_OFFSET (8*1024*1024)
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#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
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#define VMALLOC_END (PAGE_OFFSET + 0x10000000)
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@ -7,15 +7,4 @@
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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/*
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* Just any arbitrary offset to the start of the vmalloc VM area: the
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* current 8MB value just means that there will be a 8MB "hole" after the
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* physical memory until the kernel virtual memory starts. That means that
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* any out-of-bounds memory accesses will hopefully be caught.
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* The vmalloc() routines leaves a hole of 4kB between each vmalloced
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* area for the same reason. ;)
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*/
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#define VMALLOC_OFFSET (8*1024*1024)
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#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
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#define VMALLOC_END (PAGE_OFFSET + 0x1f000000)
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@ -8,17 +8,6 @@
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#include <linux/config.h>
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/*
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* Just any arbitrary offset to the start of the vmalloc VM area: the
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* current 8MB value just means that there will be a 8MB "hole" after the
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* physical memory until the kernel virtual memory starts. That means that
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* any out-of-bounds memory accesses will hopefully be caught.
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* The vmalloc() routines leaves a hole of 4kB between each vmalloced
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* area for the same reason. ;)
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*/
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#define VMALLOC_OFFSET (8*1024*1024)
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#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
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#ifdef CONFIG_ARCH_FOOTBRIDGE
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#define VMALLOC_END (PAGE_OFFSET + 0x30000000)
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#else
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@ -17,15 +17,4 @@
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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* Just any arbitrary offset to the start of the vmalloc VM area: the
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* current 8MB value just means that there will be a 8MB "hole" after the
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* physical memory until the kernel virtual memory starts. That means that
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* any out-of-bounds memory accesses will hopefully be caught.
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* The vmalloc() routines leaves a hole of 4kB between each vmalloced
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* area for the same reason. ;)
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*/
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#define VMALLOC_OFFSET (8*1024*1024)
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#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
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#define VMALLOC_END (PAGE_OFFSET + 0x10000000)
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@ -5,17 +5,6 @@
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#ifndef __ARCH_ARM_VMALLOC_H
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#define __ARCH_ARM_VMALLOC_H
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/*
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* Just any arbitrary offset to the start of the vmalloc VM area: the
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* current 8MB value just means that there will be a 8MB "hole" after the
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* physical memory until the kernel virtual memory starts. That means that
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* any out-of-bounds memory accesses will hopefully be caught.
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* The vmalloc() routines leaves a hole of 4kB between each vmalloced
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* area for the same reason. ;)
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*/
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#define VMALLOC_OFFSET (8*1024*1024)
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#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
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#define VMALLOC_VMADDR(x) ((unsigned long)(x))
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#define VMALLOC_END (PAGE_OFFSET + 0x10000000)
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#endif
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@ -17,16 +17,4 @@
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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* Just any arbitrary offset to the start of the vmalloc VM area: the
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* current 8MB value just means that there will be a 8MB "hole" after the
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* physical memory until the kernel virtual memory starts. That means that
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* any out-of-bounds memory accesses will hopefully be caught.
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* The vmalloc() routines leaves a hole of 4kB between each vmalloced
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* area for the same reason. ;)
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*/
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#define VMALLOC_OFFSET (8*1024*1024)
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#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
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#define VMALLOC_VMADDR(x) ((unsigned long)(x))
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#define VMALLOC_END (PAGE_OFFSET + 0x10000000)
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@ -17,15 +17,4 @@
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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* Just any arbitrary offset to the start of the vmalloc VM area: the
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* current 8MB value just means that there will be a 8MB "hole" after the
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* physical memory until the kernel virtual memory starts. That means that
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* any out-of-bounds memory accesses will hopefully be caught.
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* The vmalloc() routines leaves a hole of 4kB between each vmalloced
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* area for the same reason. ;)
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*/
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#define VMALLOC_OFFSET (8*1024*1024)
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#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
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#define VMALLOC_END (PAGE_OFFSET + 0x10000000)
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* The vmalloc() routines leaves a hole of 4kB between each vmalloced
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* area for the same reason. ;)
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*/
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#define VMALLOC_OFFSET (8*1024*1024)
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#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
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#define VMALLOC_VMADDR(x) ((unsigned long)(x))
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//#define VMALLOC_END (0xe8000000)
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/* increase usable physical RAM to ~992M per RMK */
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#define VMALLOC_END (0xfe000000)
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@ -17,7 +17,4 @@
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* The vmalloc() routines leaves a hole of 4kB between each vmalloced
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* area for the same reason. ;)
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*/
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#define VMALLOC_OFFSET (8*1024*1024)
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#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
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#define VMALLOC_VMADDR(x) ((unsigned long)(x))
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#define VMALLOC_END 0xfaffefff
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/*
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* linux/include/asm-arm/arch-ixp4xx/vmalloc.h
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*/
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/*
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* Just any arbitrary offset to the start of the vmalloc VM area: the
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* current 8MB value just means that there will be a 8MB "hole" after the
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* physical memory until the kernel virtual memory starts. That means that
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* any out-of-bounds memory accesses will hopefully be caught.
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* The vmalloc() routines leaves a hole of 4kB between each vmalloced
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* area for the same reason. ;)
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*/
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#define VMALLOC_OFFSET (8*1024*1024)
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#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
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#define VMALLOC_VMADDR(x) ((unsigned long)(x))
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#define VMALLOC_END (0xFF000000)
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/*
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* linux/include/asm-arm/arch-l7200/vmalloc.h
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*/
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/*
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* Just any arbitrary offset to the start of the vmalloc VM area: the
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* current 8MB value just means that there will be a 8MB "hole" after the
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* physical memory until the kernel virtual memory starts. That means that
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* any out-of-bounds memory accesses will hopefully be caught.
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* The vmalloc() routines leaves a hole of 4kB between each vmalloced
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* area for the same reason. ;)
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*/
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#define VMALLOC_OFFSET (8*1024*1024)
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#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
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#define VMALLOC_END (PAGE_OFFSET + 0x10000000)
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@ -7,15 +7,4 @@
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* version 2 as published by the Free Software Foundation.
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*
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*/
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/*
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* Just any arbitrary offset to the start of the vmalloc VM area: the
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* current 8MB value just means that there will be a 8MB "hole" after
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* the physical memory until the kernel virtual memory starts. That
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* means that any out-of-bounds memory accesses will hopefully be
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* caught. The vmalloc() routines leaves a hole of 4kB (one page)
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* between each vmalloced area for the same reason. ;)
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*/
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#define VMALLOC_OFFSET (8*1024*1024)
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#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
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#define VMALLOC_END (0xe8000000)
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@ -17,17 +17,5 @@
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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* Just any arbitrary offset to the start of the vmalloc VM area: the
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* current 8MB value just means that there will be a 8MB "hole" after the
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* physical memory until the kernel virtual memory starts. That means that
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* any out-of-bounds memory accesses will hopefully be caught.
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* The vmalloc() routines leaves a hole of 4kB between each vmalloced
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* area for the same reason. ;)
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*/
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#define VMALLOC_OFFSET (8*1024*1024)
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#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
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#define VMALLOC_VMADDR(x) ((unsigned long)(x))
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#define VMALLOC_END (PAGE_OFFSET + 0x10000000)
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@ -8,15 +8,4 @@
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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/*
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* Just any arbitrary offset to the start of the vmalloc VM area: the
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* current 8MB value just means that there will be a 8MB "hole" after the
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* physical memory until the kernel virtual memory starts. That means that
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* any out-of-bounds memory accesses will hopefully be caught.
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* The vmalloc() routines leaves a hole of 4kB between each vmalloced
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* area for the same reason. ;)
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*/
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#define VMALLOC_OFFSET (8*1024*1024)
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#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
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#define VMALLOC_END (0xe8000000)
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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/*
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* Just any arbitrary offset to the start of the vmalloc VM area: the
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* current 8MB value just means that there will be a 8MB "hole" after the
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* physical memory until the kernel virtual memory starts. That means that
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* any out-of-bounds memory accesses will hopefully be caught.
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* The vmalloc() routines leaves a hole of 4kB between each vmalloced
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* area for the same reason. ;)
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*/
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#define VMALLOC_OFFSET (8*1024*1024)
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#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
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#define VMALLOC_END (PAGE_OFFSET + 0x1c000000)
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#ifndef __ASM_ARCH_VMALLOC_H
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#define __ASM_ARCH_VMALLOC_H
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/*
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* Just any arbitrary offset to the start of the vmalloc VM area: the
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* current 8MB value just means that there will be a 8MB "hole" after the
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* physical memory until the kernel virtual memory starts. That means that
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* any out-of-bounds memory accesses will hopefully be caught.
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* The vmalloc() routines leaves a hole of 4kB between each vmalloced
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* area for the same reason. ;)
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*/
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#define VMALLOC_OFFSET (8*1024*1024)
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#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
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#define VMALLOC_VMADDR(x) ((unsigned long)(x))
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#define VMALLOC_END (0xE0000000)
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#endif /* __ASM_ARCH_VMALLOC_H */
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/*
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* linux/include/asm-arm/arch-sa1100/vmalloc.h
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*/
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/*
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* Just any arbitrary offset to the start of the vmalloc VM area: the
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* current 8MB value just means that there will be a 8MB "hole" after the
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* physical memory until the kernel virtual memory starts. That means that
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* any out-of-bounds memory accesses will hopefully be caught.
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* The vmalloc() routines leaves a hole of 4kB between each vmalloced
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* area for the same reason. ;)
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*/
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#define VMALLOC_OFFSET (8*1024*1024)
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#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
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#define VMALLOC_END (0xe8000000)
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/*
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* linux/include/asm-arm/arch-rpc/vmalloc.h
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*/
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/*
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* Just any arbitrary offset to the start of the vmalloc VM area: the
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* current 8MB value just means that there will be a 8MB "hole" after the
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* physical memory until the kernel virtual memory starts. That means that
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* any out-of-bounds memory accesses will hopefully be caught.
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* The vmalloc() routines leaves a hole of 4kB between each vmalloced
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* area for the same reason. ;)
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*/
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#define VMALLOC_OFFSET (8*1024*1024)
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#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
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#define VMALLOC_END (PAGE_OFFSET + 0x10000000)
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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* Just any arbitrary offset to the start of the vmalloc VM area: the
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* current 8MB value just means that there will be a 8MB "hole" after the
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* physical memory until the kernel virtual memory starts. That means that
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* any out-of-bounds memory accesses will hopefully be caught.
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* The vmalloc() routines leaves a hole of 4kB between each vmalloced
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* area for the same reason. ;)
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*/
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#define VMALLOC_OFFSET (8*1024*1024)
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#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
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#define VMALLOC_VMADDR(x) ((unsigned long)(x))
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#define VMALLOC_END (PAGE_OFFSET + 0x18000000)
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#include <asm/proc-fns.h>
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#include <asm/arch/vmalloc.h>
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/*
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* Just any arbitrary offset to the start of the vmalloc VM area: the
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* current 8MB value just means that there will be a 8MB "hole" after the
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* physical memory until the kernel virtual memory starts. That means that
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* any out-of-bounds memory accesses will hopefully be caught.
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* The vmalloc() routines leaves a hole of 4kB between each vmalloced
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* area for the same reason. ;)
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*
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* Note that platforms may override VMALLOC_START, but they must provide
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* VMALLOC_END. VMALLOC_END defines the (exclusive) limit of this space,
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* which may not overlap IO space.
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*/
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#ifndef VMALLOC_START
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#define VMALLOC_OFFSET (8*1024*1024)
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#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
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#endif
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/*
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* Hardware-wise, we have a two level page table structure, where the first
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* level has 4096 entries, and the second level has 256 entries. Each entry
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