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Date: Sun, 10 Feb 2008 00:21:56 +0900 From: "KOSAKI Motohiro" <kosaki.motohiro@...fujitsu.com> To: linux-mm@...ck.org, linux-kernel@...r.kernel.org Cc: kosaki.motohiro@...fujitsu.com, "Marcelo Tosatti" <marcelo@...ck.org>, "Daniel Spang" <daniel.spang@...il.com>, "Rik van Riel" <riel@...hat.com>, "Andrew Morton" <akpm@...ux-foundation.org>, "Alan Cox" <alan@...rguk.ukuu.org.uk>, linux-fsdevel@...r.kernel.org, "Pavel Machek" <pavel@....cz>, "Al Boldi" <a1426z@...ab.com>, "Jon Masters" <jonathan@...masters.org>, "Zan Lynx" <zlynx@....org> Subject: [PATCH 2/8][for -mm] mem_notify v6: introduce wake_up_locked_nr() new API introduce new API wake_up_locked_nr() and wake_up_locked_all(). it it similar as wake_up_nr() and wake_up_all(), but it doesn't lock. Signed-off-by: Marcelo Tosatti <marcelo@...ck.org> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> --- include/linux/wait.h | 12 ++++++++---- kernel/sched.c | 5 +++-- 2 files changed, 11 insertions(+), 6 deletions(-) Index: b/include/linux/wait.h =================================================================== --- a/include/linux/wait.h 2008-02-03 20:27:54.000000000 +0900 +++ b/include/linux/wait.h 2008-02-03 20:32:12.000000000 +0900 @@ -142,7 +142,8 @@ static inline void __remove_wait_queue(w } void FASTCALL(__wake_up(wait_queue_head_t *q, unsigned int mode, int nr, void *key)); -extern void FASTCALL(__wake_up_locked(wait_queue_head_t *q, unsigned int mode)); +void FASTCALL(__wake_up_locked(wait_queue_head_t *q, unsigned int mode, + int nr, void *key)); extern void FASTCALL(__wake_up_sync(wait_queue_head_t *q, unsigned int mode, int nr)); void FASTCALL(__wake_up_bit(wait_queue_head_t *, void *, int)); int FASTCALL(__wait_on_bit(wait_queue_head_t *, struct wait_bit_queue *, int (*)(void *), unsigned)); @@ -155,10 +156,13 @@ wait_queue_head_t *FASTCALL(bit_waitqueu #define wake_up(x) __wake_up(x, TASK_NORMAL, 1, NULL) #define wake_up_nr(x, nr) __wake_up(x, TASK_NORMAL, nr, NULL) #define wake_up_all(x) __wake_up(x, TASK_NORMAL, 0, NULL) -#define wake_up_locked(x) __wake_up_locked((x), TASK_NORMAL) -#define wake_up_interruptible(x) __wake_up(x, TASK_INTERRUPTIBLE, 1, NULL) -#define wake_up_interruptible_nr(x, nr) __wake_up(x, TASK_INTERRUPTIBLE, nr, NULL) +#define wake_up_locked(x) __wake_up_locked((x), TASK_NORMAL, 1, NULL) +#define wake_up_locked_nr(x, nr) __wake_up_locked((x), TASK_NORMAL, nr, NULL) +#define wake_up_locked_all(x) __wake_up_locked((x), TASK_NORMAL, 0, NULL) + +#define wake_up_interruptible(x) __wake_up(x, TASK_INTERRUPTIBLE, 1, NULL) +#define wake_up_interruptible_nr(x, nr) __wake_up(x, TASK_INTERRUPTIBLE, nr, NULL) #define wake_up_interruptible_all(x) __wake_up(x, TASK_INTERRUPTIBLE, 0, NULL) #define wake_up_interruptible_sync(x) __wake_up_sync((x), TASK_INTERRUPTIBLE, 1) Index: b/kernel/sched.c =================================================================== --- a/kernel/sched.c 2008-02-03 20:27:54.000000000 +0900 +++ b/kernel/sched.c 2008-02-03 20:29:09.000000000 +0900 @@ -4115,9 +4115,10 @@ EXPORT_SYMBOL(__wake_up); /* * Same as __wake_up but called with the spinlock in wait_queue_head_t held. */ -void __wake_up_locked(wait_queue_head_t *q, unsigned int mode) +void __wake_up_locked(wait_queue_head_t *q, unsigned int mode, + int nr_exclusive, void *key) { - __wake_up_common(q, mode, 1, 0, NULL); + __wake_up_common(q, mode, nr_exclusive, 0, key); } /** -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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