From: Michal Hocko <mhocko@kernel.org> To: LKML <linux-kernel@vger.kernel.org> Cc: Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>, Thomas Gleixner <tglx@linutronix.de>, "H. Peter Anvin" <hpa@zytor.com>, "David S. Miller" <davem@davemloft.net>, Tony Luck <tony.luck@intel.com>, Andrew Morton <akpm@linux-foundation.org>, Chris Zankel <chris@zankel.net>, Max Filippov <jcmvbkbc@gmail.com>, x86@kernel.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, linux-arch@vger.kernel.org, Michal Hocko <mhocko@suse.com> Subject: [PATCH 11/11] locking, rwsem: provide down_write_killable Date: Thu, 07 Apr 2016 15:12:31 +0000 [thread overview] Message-ID: <1460041951-22347-12-git-send-email-mhocko@kernel.org> (raw) In-Reply-To: <1460041951-22347-1-git-send-email-mhocko@kernel.org> From: Michal Hocko <mhocko@suse.com> Now that all the architectures implement the necessary glue code we can introduce down_write_killable. The only difference wrt. regular down_write is that the slow path waits in TASK_KILLABLE state and the interruption by the fatal signal is reported as -EINTR to the caller. Signed-off-by: Michal Hocko <mhocko@suse.com> --- include/linux/lockdep.h | 15 +++++++++++++++ include/linux/rwsem.h | 1 + kernel/locking/rwsem.c | 19 +++++++++++++++++++ 3 files changed, 35 insertions(+) diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index 4dca42fd32f5..13a80779b6da 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -446,6 +446,18 @@ do { \ lock_acquired(&(_lock)->dep_map, _RET_IP_); \ } while (0) +#define LOCK_CONTENDED_RETURN(_lock, try, lock) \ +({ \ + int ____err = 0; \ + if (!try(_lock)) { \ + lock_contended(&(_lock)->dep_map, _RET_IP_); \ + ____err = lock(_lock); \ + } \ + if (!____err) \ + lock_acquired(&(_lock)->dep_map, _RET_IP_); \ + ____err; \ +}) + #else /* CONFIG_LOCK_STAT */ #define lock_contended(lockdep_map, ip) do {} while (0) @@ -454,6 +466,9 @@ do { \ #define LOCK_CONTENDED(_lock, try, lock) \ lock(_lock) +#define LOCK_CONTENDED_RETURN(_lock, try, lock) \ + lock(_lock) + #endif /* CONFIG_LOCK_STAT */ #ifdef CONFIG_LOCKDEP diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h index 7d7ae029dac5..d1c12d160ace 100644 --- a/include/linux/rwsem.h +++ b/include/linux/rwsem.h @@ -118,6 +118,7 @@ extern int down_read_trylock(struct rw_semaphore *sem); * lock for writing */ extern void down_write(struct rw_semaphore *sem); +extern int __must_check down_write_killable(struct rw_semaphore *sem); /* * trylock for writing -- returns 1 if successful, 0 if contention diff --git a/kernel/locking/rwsem.c b/kernel/locking/rwsem.c index 205be0ce34de..c817216c1615 100644 --- a/kernel/locking/rwsem.c +++ b/kernel/locking/rwsem.c @@ -55,6 +55,25 @@ void __sched down_write(struct rw_semaphore *sem) EXPORT_SYMBOL(down_write); /* + * lock for writing + */ +int __sched down_write_killable(struct rw_semaphore *sem) +{ + might_sleep(); + rwsem_acquire(&sem->dep_map, 0, 0, _RET_IP_); + + if (LOCK_CONTENDED_RETURN(sem, __down_write_trylock, __down_write_killable)) { + rwsem_release(&sem->dep_map, 1, _RET_IP_); + return -EINTR; + } + + rwsem_set_owner(sem); + return 0; +} + +EXPORT_SYMBOL(down_write_killable); + +/* * trylock for writing -- returns 1 if successful, 0 if contention */ int down_write_trylock(struct rw_semaphore *sem) -- 2.8.0.rc3
WARNING: multiple messages have this Message-ID (diff)
From: Michal Hocko <mhocko@kernel.org> To: LKML <linux-kernel@vger.kernel.org> Cc: Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>, Thomas Gleixner <tglx@linutronix.de>, "H. Peter Anvin" <hpa@zytor.com>, "David S. Miller" <davem@davemloft.net>, Tony Luck <tony.luck@intel.com>, Andrew Morton <akpm@linux-foundation.org>, Chris Zankel <chris@zankel.net>, Max Filippov <jcmvbkbc@gmail.com>, x86@kernel.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, linux-arch@vger.kernel.org, Michal Hocko <mhocko@suse.com> Subject: [PATCH 11/11] locking, rwsem: provide down_write_killable Date: Thu, 7 Apr 2016 17:12:31 +0200 [thread overview] Message-ID: <1460041951-22347-12-git-send-email-mhocko@kernel.org> (raw) In-Reply-To: <1460041951-22347-1-git-send-email-mhocko@kernel.org> From: Michal Hocko <mhocko@suse.com> Now that all the architectures implement the necessary glue code we can introduce down_write_killable. The only difference wrt. regular down_write is that the slow path waits in TASK_KILLABLE state and the interruption by the fatal signal is reported as -EINTR to the caller. Signed-off-by: Michal Hocko <mhocko@suse.com> --- include/linux/lockdep.h | 15 +++++++++++++++ include/linux/rwsem.h | 1 + kernel/locking/rwsem.c | 19 +++++++++++++++++++ 3 files changed, 35 insertions(+) diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index 4dca42fd32f5..13a80779b6da 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -446,6 +446,18 @@ do { \ lock_acquired(&(_lock)->dep_map, _RET_IP_); \ } while (0) +#define LOCK_CONTENDED_RETURN(_lock, try, lock) \ +({ \ + int ____err = 0; \ + if (!try(_lock)) { \ + lock_contended(&(_lock)->dep_map, _RET_IP_); \ + ____err = lock(_lock); \ + } \ + if (!____err) \ + lock_acquired(&(_lock)->dep_map, _RET_IP_); \ + ____err; \ +}) + #else /* CONFIG_LOCK_STAT */ #define lock_contended(lockdep_map, ip) do {} while (0) @@ -454,6 +466,9 @@ do { \ #define LOCK_CONTENDED(_lock, try, lock) \ lock(_lock) +#define LOCK_CONTENDED_RETURN(_lock, try, lock) \ + lock(_lock) + #endif /* CONFIG_LOCK_STAT */ #ifdef CONFIG_LOCKDEP diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h index 7d7ae029dac5..d1c12d160ace 100644 --- a/include/linux/rwsem.h +++ b/include/linux/rwsem.h @@ -118,6 +118,7 @@ extern int down_read_trylock(struct rw_semaphore *sem); * lock for writing */ extern void down_write(struct rw_semaphore *sem); +extern int __must_check down_write_killable(struct rw_semaphore *sem); /* * trylock for writing -- returns 1 if successful, 0 if contention diff --git a/kernel/locking/rwsem.c b/kernel/locking/rwsem.c index 205be0ce34de..c817216c1615 100644 --- a/kernel/locking/rwsem.c +++ b/kernel/locking/rwsem.c @@ -55,6 +55,25 @@ void __sched down_write(struct rw_semaphore *sem) EXPORT_SYMBOL(down_write); /* + * lock for writing + */ +int __sched down_write_killable(struct rw_semaphore *sem) +{ + might_sleep(); + rwsem_acquire(&sem->dep_map, 0, 0, _RET_IP_); + + if (LOCK_CONTENDED_RETURN(sem, __down_write_trylock, __down_write_killable)) { + rwsem_release(&sem->dep_map, 1, _RET_IP_); + return -EINTR; + } + + rwsem_set_owner(sem); + return 0; +} + +EXPORT_SYMBOL(down_write_killable); + +/* * trylock for writing -- returns 1 if successful, 0 if contention */ int down_write_trylock(struct rw_semaphore *sem) -- 2.8.0.rc3
next prev parent reply other threads:[~2016-04-07 15:12 UTC|newest] Thread overview: 226+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-02-29 12:58 [PATCH 0/11] introduce down_write_killable for rw_semaphore Michal Hocko 2016-02-29 12:58 ` Michal Hocko 2016-02-29 12:58 ` [PATCH 01/11] locking, rwsem: get rid of __down_write_nested Michal Hocko 2016-02-29 12:58 ` Michal Hocko 2016-02-29 12:58 ` [PATCH 02/11] locking, rwsem: drop explicit memory barriers Michal Hocko 2016-02-29 12:58 ` Michal Hocko 2016-02-29 12:58 ` [PATCH 03/11] locking, rwsem: introduce basis for down_write_killable Michal Hocko 2016-02-29 12:58 ` Michal Hocko 2016-03-30 13:25 ` Peter Zijlstra 2016-03-30 13:25 ` Peter Zijlstra 2016-03-31 8:33 ` Michal Hocko 2016-03-31 8:33 ` Michal Hocko 2016-03-31 8:44 ` Peter Zijlstra 2016-03-31 8:44 ` Peter Zijlstra 2016-03-31 8:55 ` [PATCH] " Michal Hocko 2016-03-31 8:55 ` Michal Hocko 2016-02-29 12:58 ` [PATCH 04/11] alpha, rwsem: provide __down_write_killable Michal Hocko 2016-02-29 12:58 ` Michal Hocko 2016-02-29 12:58 ` [PATCH 05/11] ia64, " Michal Hocko 2016-02-29 12:58 ` Michal Hocko 2016-02-29 12:58 ` [PATCH 06/11] s390, " Michal Hocko 2016-02-29 12:58 ` Michal Hocko 2016-02-29 12:58 ` [PATCH 07/11] sh, " Michal Hocko 2016-02-29 12:58 ` Michal Hocko 2016-02-29 12:58 ` [PATCH 08/11] sparc, " Michal Hocko 2016-02-29 12:58 ` Michal Hocko 2016-02-29 12:58 ` [PATCH 09/11] xtensa, " Michal Hocko 2016-02-29 12:58 ` Michal Hocko 2016-02-29 12:58 ` [PATCH 10/11] x86, " Michal Hocko 2016-02-29 12:58 ` Michal Hocko 2016-02-29 12:58 ` [PATCH 11/11] locking, rwsem: provide down_write_killable Michal Hocko 2016-02-29 12:58 ` Michal Hocko 2016-03-30 13:32 ` [PATCH 0/11] introduce down_write_killable for rw_semaphore Peter Zijlstra 2016-03-30 13:32 ` Peter Zijlstra 2016-03-31 8:59 ` Michal Hocko 2016-03-31 8:59 ` Michal Hocko 2016-03-31 9:20 ` Ingo Molnar 2016-03-31 9:20 ` Ingo Molnar 2016-03-31 10:58 ` Michal Hocko 2016-03-31 10:58 ` Michal Hocko 2016-03-31 17:03 ` Andrew Morton 2016-03-31 17:03 ` Andrew Morton 2016-04-01 6:33 ` Ingo Molnar 2016-04-01 6:33 ` Ingo Molnar 2016-04-01 9:21 ` Michal Hocko 2016-04-01 9:21 ` Michal Hocko 2016-04-01 9:50 ` Ingo Molnar 2016-04-01 9:50 ` Ingo Molnar 2016-04-01 10:52 ` Michal Hocko 2016-04-01 10:52 ` Michal Hocko 2016-04-01 7:26 ` Michal Hocko 2016-04-01 7:26 ` Michal Hocko 2016-04-01 9:11 ` Andrew Morton 2016-04-01 9:11 ` Andrew Morton 2016-04-01 11:04 ` [PATCH 0/11] introduce down_write_killable for rw_semaphore v2 Michal Hocko 2016-04-01 11:04 ` Michal Hocko 2016-04-01 11:04 ` [PATCH 01/11] locking, rwsem: get rid of __down_write_nested Michal Hocko 2016-04-01 11:04 ` Michal Hocko 2016-04-02 0:28 ` Davidlohr Bueso 2016-04-02 0:28 ` Davidlohr Bueso 2016-04-01 11:04 ` [PATCH 02/11] locking, rwsem: drop explicit memory barriers Michal Hocko 2016-04-01 11:04 ` Michal Hocko 2016-04-02 1:17 ` Davidlohr Bueso 2016-04-02 1:17 ` Davidlohr Bueso 2016-04-04 9:03 ` Michal Hocko 2016-04-04 9:03 ` Michal Hocko 2016-04-04 9:06 ` [PATCH 1/2] xtensa, rwsem: drop superfluous arch specific implementation Michal Hocko 2016-04-04 9:06 ` Michal Hocko 2016-04-04 9:06 ` [PATCH 2/2] sh, " Michal Hocko 2016-04-04 9:06 ` Michal Hocko 2016-04-06 9:26 ` Peter Zijlstra 2016-04-06 9:26 ` Peter Zijlstra 2016-04-06 9:50 ` Geert Uytterhoeven 2016-04-06 9:50 ` Geert Uytterhoeven 2016-04-06 10:27 ` Peter Zijlstra 2016-04-06 10:27 ` Peter Zijlstra 2016-04-04 10:23 ` [PATCH 1/2] xtensa, " Max Filippov 2016-04-04 10:23 ` Max Filippov 2016-04-06 9:06 ` [PATCH] sparc, " Michal Hocko 2016-04-06 9:06 ` Michal Hocko 2016-04-06 9:06 ` Michal Hocko 2016-04-06 9:06 ` Michal Hocko 2016-04-01 11:04 ` [PATCH 03/11] locking, rwsem: introduce basis for down_write_killable Michal Hocko 2016-04-01 11:04 ` Michal Hocko 2016-04-02 4:41 ` Davidlohr Bueso 2016-04-02 4:41 ` Davidlohr Bueso 2016-04-04 9:17 ` Michal Hocko 2016-04-04 9:17 ` Michal Hocko 2016-04-04 9:21 ` Peter Zijlstra 2016-04-04 9:21 ` Peter Zijlstra 2016-04-07 6:58 ` Davidlohr Bueso 2016-04-07 6:58 ` Davidlohr Bueso 2016-04-07 7:38 ` Michal Hocko 2016-04-07 7:38 ` Michal Hocko 2016-05-10 10:43 ` Tetsuo Handa 2016-05-10 11:53 ` Michal Hocko 2016-05-10 12:38 ` Peter Zijlstra 2016-05-10 13:57 ` Tetsuo Handa 2016-05-11 7:23 ` Michal Hocko 2016-05-11 8:28 ` Michal Hocko 2016-05-11 8:44 ` Peter Zijlstra 2016-05-11 9:04 ` Michal Hocko 2016-05-11 9:17 ` Peter Zijlstra 2016-05-11 9:31 ` Michal Hocko 2016-05-11 9:41 ` Peter Zijlstra 2016-05-11 13:59 ` Michal Hocko 2016-05-11 18:03 ` Michal Hocko 2016-05-12 11:57 ` [PATCH] locking, rwsem: Fix down_write_killable() Peter Zijlstra 2016-05-12 12:15 ` [tip:locking/rwsem] locking/rwsem: " tip-bot for Peter Zijlstra 2016-05-12 16:59 ` [PATCH] locking, rwsem: " Michal Hocko 2016-05-15 20:57 ` [tip:locking/rwsem] locking/rwsem: " tip-bot for Peter Zijlstra 2016-05-12 12:12 ` [PATCH 03/11] locking, rwsem: introduce basis for down_write_killable Peter Zijlstra 2016-05-12 12:19 ` Michal Hocko 2016-05-12 13:58 ` Peter Zijlstra 2016-05-12 19:42 ` Waiman Long 2016-05-11 8:35 ` Peter Zijlstra 2016-05-11 9:02 ` Michal Hocko 2016-04-01 11:04 ` [PATCH 04/11] alpha, rwsem: provide __down_write_killable Michal Hocko 2016-04-01 11:04 ` Michal Hocko 2016-04-01 11:04 ` [PATCH 05/11] ia64, " Michal Hocko 2016-04-01 11:04 ` Michal Hocko 2016-04-01 11:04 ` [PATCH 06/11] s390, " Michal Hocko 2016-04-01 11:04 ` Michal Hocko 2016-04-01 11:04 ` [PATCH 07/11] sh, " Michal Hocko 2016-04-01 11:04 ` Michal Hocko 2016-04-01 11:04 ` [PATCH 08/11] sparc, " Michal Hocko 2016-04-01 11:04 ` Michal Hocko 2016-04-01 11:04 ` [PATCH 09/11] xtensa, " Michal Hocko 2016-04-01 11:04 ` Michal Hocko 2016-04-01 11:04 ` [PATCH 10/11] x86, " Michal Hocko 2016-04-01 11:04 ` Michal Hocko 2016-04-06 18:31 ` Peter Zijlstra 2016-04-06 18:31 ` Peter Zijlstra 2016-04-01 11:04 ` [PATCH 11/11] locking, rwsem: provide down_write_killable Michal Hocko 2016-04-01 11:04 ` Michal Hocko 2016-04-07 15:12 ` [PATCH 0/11] introduce down_write_killable for rw_semaphore v3 Michal Hocko 2016-04-07 15:12 ` Michal Hocko 2016-04-07 15:12 ` [PATCH 01/11] locking, rwsem: get rid of __down_write_nested Michal Hocko 2016-04-07 15:12 ` Michal Hocko 2016-04-13 11:32 ` [tip:locking/rwsem] locking/rwsem: Get rid of __down_write_nested() tip-bot for Michal Hocko 2016-04-07 15:12 ` [PATCH 02/11] locking, rwsem: drop explicit memory barriers Michal Hocko 2016-04-07 15:12 ` Michal Hocko 2016-04-13 11:32 ` [tip:locking/rwsem] locking/rwsem: Drop " tip-bot for Michal Hocko 2016-04-07 15:12 ` [PATCH 03/11] xtensa, rwsem: drop superfluous arch specific implementation Michal Hocko 2016-04-07 15:12 ` Michal Hocko 2016-04-13 11:33 ` [tip:locking/rwsem] locking/rwsem, xtensa: Drop " tip-bot for Michal Hocko 2016-04-07 15:12 ` [PATCH 04/11] sh, rwsem: drop " Michal Hocko 2016-04-07 15:12 ` Michal Hocko 2016-04-13 11:33 ` [tip:locking/rwsem] locking/rwsem, sh: Drop " tip-bot for Michal Hocko 2016-04-07 15:12 ` [PATCH 05/11] sparc, rwsem: drop " Michal Hocko 2016-04-07 15:12 ` Michal Hocko 2016-04-13 11:33 ` [tip:locking/rwsem] locking/rwsem, sparc: Drop " tip-bot for Michal Hocko 2016-04-07 15:12 ` [PATCH 06/11] locking, rwsem: introduce basis for down_write_killable Michal Hocko 2016-04-07 15:12 ` Michal Hocko 2016-04-13 11:34 ` [tip:locking/rwsem] locking/rwsem: Introduce basis for down_write_killable() tip-bot for Michal Hocko 2016-04-07 15:12 ` [PATCH 07/11] alpha, rwsem: provide __down_write_killable Michal Hocko 2016-04-07 15:12 ` Michal Hocko 2016-04-22 9:42 ` [tip:locking/rwsem] locking/rwsem, alpha: Provide __down_write_killable() tip-bot for Michal Hocko 2016-04-07 15:12 ` [PATCH 08/11] ia64, rwsem: provide __down_write_killable Michal Hocko 2016-04-07 15:12 ` Michal Hocko 2016-04-07 17:28 ` Sergei Shtylyov 2016-04-07 17:28 ` Sergei Shtylyov 2016-04-08 6:22 ` Michal Hocko 2016-04-08 6:22 ` Michal Hocko 2016-04-22 9:43 ` [tip:locking/rwsem] locking/rwsem, ia64: Provide __down_write_killable() tip-bot for Michal Hocko 2016-04-07 15:12 ` [PATCH 09/11] s390, rwsem: provide __down_write_killable Michal Hocko 2016-04-07 15:12 ` Michal Hocko 2016-04-22 9:43 ` [tip:locking/rwsem] locking/rwsem, s390: Provide __down_write_killable() tip-bot for Michal Hocko 2016-04-07 15:12 ` [PATCH 10/11] x86, rwsem: provide __down_write_killable Michal Hocko 2016-04-07 15:12 ` Michal Hocko 2016-04-13 9:08 ` Ingo Molnar 2016-04-13 9:08 ` Ingo Molnar 2016-04-13 9:16 ` Michal Hocko 2016-04-13 9:16 ` Michal Hocko 2016-04-13 9:19 ` Ingo Molnar 2016-04-13 9:19 ` Ingo Molnar 2016-04-13 10:27 ` Ingo Molnar 2016-04-13 10:27 ` Ingo Molnar 2016-04-13 12:49 ` Michal Hocko 2016-04-13 12:49 ` Michal Hocko 2016-04-13 12:49 ` Michal Hocko 2016-04-13 12:49 ` Michal Hocko 2016-04-17 16:59 ` Michal Hocko 2016-04-17 16:59 ` Michal Hocko 2016-04-17 16:59 ` Michal Hocko 2016-04-20 13:40 ` Peter Zijlstra 2016-04-20 13:40 ` Peter Zijlstra 2016-04-20 13:40 ` Peter Zijlstra 2016-04-20 18:04 ` H. Peter Anvin 2016-04-20 18:04 ` H. Peter Anvin 2016-04-20 20:45 ` Borislav Petkov 2016-04-20 20:45 ` Borislav Petkov 2016-04-20 20:58 ` Michal Hocko 2016-04-20 20:58 ` Michal Hocko 2016-04-20 21:06 ` H. Peter Anvin 2016-04-20 21:06 ` H. Peter Anvin 2016-04-20 21:36 ` Borislav Petkov 2016-04-20 21:36 ` Borislav Petkov 2016-04-20 22:29 ` H. Peter Anvin 2016-04-20 22:29 ` H. Peter Anvin 2016-04-21 11:35 ` Borislav Petkov 2016-04-21 11:35 ` Borislav Petkov 2016-04-21 13:09 ` Michal Hocko 2016-04-21 13:09 ` Michal Hocko 2016-04-21 13:21 ` Borislav Petkov 2016-04-21 13:21 ` Borislav Petkov 2016-04-27 12:02 ` [PATCH] x86/locking/rwsem: Cleanup ____down_write() Borislav Petkov 2016-04-27 12:02 ` Borislav Petkov 2016-04-28 10:27 ` [tip:locking/rwsem] locking/rwsem, x86: Clean up ____down_write() tip-bot for Borislav Petkov 2016-04-22 6:53 ` [PATCH 10/11] x86, rwsem: provide __down_write_killable Ingo Molnar 2016-04-22 6:53 ` Ingo Molnar 2016-04-22 6:53 ` Ingo Molnar 2016-04-13 9:57 ` [PATCH] x86: add frame annotation for call_rwsem_down_write_failed_killable Michal Hocko 2016-04-13 9:57 ` Michal Hocko 2016-04-13 9:57 ` Michal Hocko 2016-04-22 9:44 ` [tip:locking/rwsem] locking/rwsem, x86: Add frame annotation for call_rwsem_down_write_failed_killable() tip-bot for Michal Hocko 2016-04-22 9:43 ` [tip:locking/rwsem] locking/rwsem, x86: Provide __down_write_killable() tip-bot for Michal Hocko 2016-04-07 15:12 ` Michal Hocko [this message] 2016-04-07 15:12 ` [PATCH 11/11] locking, rwsem: provide down_write_killable Michal Hocko 2016-04-22 9:44 ` [tip:locking/rwsem] locking/rwsem: Provide down_write_killable() tip-bot for Michal Hocko 2016-04-12 9:37 ` [PATCH 0/11] introduce down_write_killable for rw_semaphore v3 Michal Hocko 2016-04-12 9:37 ` Michal Hocko 2016-04-12 15:40 ` Peter Zijlstra 2016-04-12 15:40 ` Peter Zijlstra 2016-04-12 18:01 ` Michal Hocko 2016-04-12 18:01 ` Michal Hocko
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=1460041951-22347-12-git-send-email-mhocko@kernel.org \ --to=mhocko@kernel.org \ --cc=akpm@linux-foundation.org \ --cc=chris@zankel.net \ --cc=davem@davemloft.net \ --cc=hpa@zytor.com \ --cc=jcmvbkbc@gmail.com \ --cc=linux-alpha@vger.kernel.org \ --cc=linux-arch@vger.kernel.org \ --cc=linux-ia64@vger.kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-s390@vger.kernel.org \ --cc=linux-sh@vger.kernel.org \ --cc=linux-xtensa@linux-xtensa.org \ --cc=mhocko@suse.com \ --cc=mingo@redhat.com \ --cc=peterz@infradead.org \ --cc=sparclinux@vger.kernel.org \ --cc=tglx@linutronix.de \ --cc=tony.luck@intel.com \ --cc=x86@kernel.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.