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>

diff --git a/mm/internal.h b/mm/internal.h
index aee4761cf9a92b8b88fe16a20794c765e74c2cac..8b0fc8da802893d1f7be5892345950032b42d51f 100644 (file)
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -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;
 }

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 8fffc65a84de545e01ac71366585cea399e9ec39..44f04364a304a8f38084531b36b9fce7b22a1b03 100644 (file)
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -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;