Commit a2c1aad3 authored Nov 05, 2015 by Davidlohr Bueso Committed by Linus Torvalds Nov 05, 2015

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@suse.de>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent f7ae3a95

mm/vmacache.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -52,7 +52,7 @@ void vmacache_flush_all(struct mm_struct *mm)
		* 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);
		}