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authorStephen Wilson <wilsons@start.ca>2011-05-24 17:12:44 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-25 08:39:33 -0700
commit722e2ee09b8dfc2ac5eedb802dc0d227702df084 (patch)
tree0ce839a50764cb5e50ad7e748773ae159a8dc9cc /mm/mempolicy.c
parentb1f72d1857bb0de19ce20a59f3f85e6dc47bdec8 (diff)
mm: make gather_stats() type-safe and remove forward declaration
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>
Diffstat (limited to 'mm/mempolicy.c')
-rw-r--r--mm/mempolicy.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 4e188766fd4..6c5306544df 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -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;
}