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mm: rename is_mlocked_vma() to mlocked_vma_newpage() 

Andrew pointed out that the is_mlocked_vma() is misnamed.  A function
with name like that would expect bool return and no side-effects.

Since it is called on the fault path for new page, rename it in this
patch.

Signed-off-by: Ying Han <yinghan@google.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujtisu.com>
Reviewed-by: Minchan Kim <minchan@kernel.org>
[akpm@linux-foundation.org: s/mlock_vma_newpage/mlock_vma_newpage/, per Minchan]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ying Han 2012-05-29 15:06:25 -07:00 committed by Linus Torvalds
parent c3ac9a8ade
commit 096a7cf447
2 changed files with 4 additions and 3 deletions
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5
mm/internal.h
View File

@ -164,7 +164,8 @@ static inline void munlock_vma_pages_all(struct vm_area_struct *vma)
* to determine if it's being mapped into a LOCKED vma.
* If so, mark page as mlocked.
*/
static inline int is_mlocked_vma(struct vm_area_struct *vma, struct page *page)
static inline int mlocked_vma_newpage(struct vm_area_struct *vma,
struct page *page)
{
VM_BUG_ON(PageLRU(page));
@ -222,7 +223,7 @@ extern unsigned long vma_address(struct page *page,
struct vm_area_struct *vma);
#endif
#else /* !CONFIG_MMU */
static inline int is_mlocked_vma(struct vm_area_struct *v, struct page *p)
static inline int mlocked_vma_newpage(struct vm_area_struct *v, struct page *p)
{
return 0;
}

2
mm/vmscan.c
View File

@ -3321,7 +3321,7 @@ int page_evictable(struct page *page, struct vm_area_struct *vma)
if (mapping_unevictable(page_mapping(page)))
return 0;
if (PageMlocked(page) || (vma && is_mlocked_vma(vma, page)))
if (PageMlocked(page) || (vma && mlocked_vma_newpage(vma, page)))
return 0;
return 1;