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Commit 6fb43d7b authored by Ingo Molnar's avatar Ingo Molnar
Browse files

sched: micro-optimize mmdrop() 



micro-optimize mmdrop(). Improves schedule()'s assembly a bit.

Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 9c4801ce

include/linux/sched.h

+1 −1
Original line number Diff line number Diff line
@@ -1514,7 +1514,7 @@ extern struct mm_struct * mm_alloc(void); 
extern void FASTCALL(__mmdrop(struct mm_struct *));

static inline void mmdrop(struct mm_struct * mm)

{

	if (atomic_dec_and_test(&mm->mm_count))

	if (unlikely(atomic_dec_and_test(&mm->mm_count)))

		__mmdrop(mm);

}