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atomic: use <linux/atomic.h>

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This allows us to move duplicated code in <asm/atomic.h>
(atomic_inc_not_zero() for now) to <linux/atomic.h>

Signed-off-by: Arun Sharma <asharma@fb.com>
Reviewed-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: David Miller <davem@davemloft.net>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Arun Sharma
2011-07-26 16:09:06 -07:00
committed by Linus Torvalds
parent 148817ba09
commit 60063497a9
439 changed files with 427 additions and 448 deletions
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9
include/linux/atomic.h
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@@ -2,6 +2,15 @@
#define _LINUX_ATOMIC_H
#include <asm/atomic.h>
/**
* atomic_inc_not_zero - increment unless the number is zero
* @v: pointer of type atomic_t
*
* Atomically increments @v by 1, so long as @v is non-zero.
* Returns non-zero if @v was non-zero, and zero otherwise.
*/
#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
/**
* atomic_inc_not_zero_hint - increment if not null
* @v: pointer of type atomic_t