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mm: remove vma arg from page_evictable

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page_evictable(page, vma) is an irritant: almost all its callers pass
NULL for vma.  Remove the vma arg and use mlocked_vma_newpage(vma, page)
explicitly in the couple of places it's needed.  But in those places we
don't even need page_evictable() itself!  They're dealing with a freshly
allocated anonymous page, which has no "mapping" and cannot be mlocked yet.

Signed-off-by: Hugh Dickins <hughd@google.com>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Cc: Rik van Riel <riel@redhat.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michel Lespinasse <walken@google.com>
Cc: Ying Han <yinghan@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Hugh Dickins
2012-10-08 16:33:18 -07:00
committed by Linus Torvalds
parent ec4d9f626d
commit 39b5f29ac1
7 changed files with 18 additions and 32 deletions
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5
mm/internal.h
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@@ -168,9 +168,8 @@ static inline void munlock_vma_pages_all(struct vm_area_struct *vma)
}
/*
* Called only in fault path via page_evictable() for a new page
* to determine if it's being mapped into a LOCKED vma.
* If so, mark page as mlocked.
* Called only in fault path, to determine if a new page is being
* mapped into a LOCKED vma. If it is, mark page as mlocked.
*/
static inline int mlocked_vma_newpage(struct vm_area_struct *vma,
struct page *page)