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mm: make gather_stats() type-safe and remove forward declaration

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Improve the prototype of gather_stats() to take a struct numa_maps as
argument instead of a generic void *.  Update all callers to make the
required type explicit.

Since gather_stats() is not needed before its definition and is scheduled
to be moved out of mempolicy.c the declaration is removed as well.

Signed-off-by: Stephen Wilson <wilsons@start.ca>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Stephen Wilson 2011-05-24 17:12:44 -07:00 committed by Linus Torvalds
parent b1f72d1857
commit 722e2ee09b
1 changed files with 4 additions and 4 deletions
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8
mm/mempolicy.c
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@ -456,7 +456,6 @@ static const struct mempolicy_operations mpol_ops[MPOL_MAX] = {
},
};
static void gather_stats(struct page *, void *, int pte_dirty);
static void migrate_page_add(struct page *page, struct list_head *pagelist,
unsigned long flags);
@ -2539,9 +2538,8 @@ struct numa_maps {
unsigned long node[MAX_NUMNODES];
};
static void gather_stats(struct page *page, void *private, int pte_dirty)
static void gather_stats(struct page *page, struct numa_maps *md, int pte_dirty)
{
struct numa_maps *md = private;
int count = page_mapcount(page);
md->pages++;
@ -2634,6 +2632,7 @@ static void check_huge_range(struct vm_area_struct *vma,
static int gather_hugetbl_stats(pte_t *pte, unsigned long hmask,
unsigned long addr, unsigned long end, struct mm_walk *walk)
{
struct numa_maps *md;
struct page *page;
if (pte_none(*pte))
@ -2643,7 +2642,8 @@ static int gather_hugetbl_stats(pte_t *pte, unsigned long hmask,
if (!page)
return 0;
gather_stats(page, walk->private, pte_dirty(*pte));
md = walk->private;
gather_stats(page, md, pte_dirty(*pte));
return 0;
}