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powerpc/mm: Fix typo in PTRS_PER_PUD

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PTRS_PER_PUD should be based on PUD_INDEX_SIZE, not PMD_INDEX_SIZE.  We
got away with it because PUD and PMD had the same index size, but this is
no longer true with Aneesh's patchset to support a 46-bit user effective
address space.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Scott Wood 2012-09-12 13:00:09 +00:00 committed by Benjamin Herrenschmidt
parent b92a66a65c
commit f3d3444572
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/include/asm/pgtable-ppc64-4k.h
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@ -19,7 +19,7 @@
#define PTRS_PER_PTE (1 << PTE_INDEX_SIZE)
#define PTRS_PER_PMD (1 << PMD_INDEX_SIZE)
#define PTRS_PER_PUD (1 << PMD_INDEX_SIZE)
#define PTRS_PER_PUD (1 << PUD_INDEX_SIZE)
#define PTRS_PER_PGD (1 << PGD_INDEX_SIZE)
/* PMD_SHIFT determines what a second-level page table entry can map */