The patch titled
Subject: mm/vmacache: inline vmacache_valid_mm()
has been added to the -mm tree. Its filename is
mm-vmacache-inline-vmacache_valid_mm.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-vmacache-inline-vmacache_valid_mm.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-vmacache-inline-vmacache_valid_mm.patch
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------------------------------------------------------
From: Davidlohr Bueso <dave@xxxxxxxxxxxx>
Subject: mm/vmacache: inline vmacache_valid_mm()
This function incurs in very hot paths and merely does a few loads for
validity check. Lets inline it, such that we can save the function call
overhead.
(akpm: this is cosmetic - the compiler already inlines vmacache_valid_mm())
Signed-off-by: Davidlohr Bueso <dbueso@xxxxxxx>
Cc: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmacache.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN mm/vmacache.c~mm-vmacache-inline-vmacache_valid_mm mm/vmacache.c
--- a/mm/vmacache.c~mm-vmacache-inline-vmacache_valid_mm
+++ a/mm/vmacache.c
@@ -52,7 +52,7 @@ void vmacache_flush_all(struct mm_struct
* Also handle the case where a kernel thread has adopted this mm via use_mm().
* That kernel thread's vmacache is not applicable to this mm.
*/
-static bool vmacache_valid_mm(struct mm_struct *mm)
+static inline bool vmacache_valid_mm(struct mm_struct *mm)
{
return current->mm == mm && !(current->flags & PF_KTHREAD);
}
_
Patches currently in -mm which might be from dave@xxxxxxxxxxxx are
mm-vmacache-inline-vmacache_valid_mm.patch
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