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Message-Id: <1367271946-7239-6-git-send-email-ccross@android.com> Date: Mon, 29 Apr 2013 14:45:41 -0700 From: Colin Cross <ccross@...roid.com> To: linux-pm@...r.kernel.org Cc: linux-kernel@...r.kernel.org, "Rafael J. Wysocki" <rjw@...k.pl>, arve@...roid.com, Colin Cross <ccross@...roid.com>, Alexander Viro <viro@...iv.linux.org.uk>, linux-fsdevel@...r.kernel.org Subject: [PATCH 05/10] epoll: use freezable blocking call Avoid waking up every thread sleeping in an epoll_wait call during suspend and resume by calling a freezable blocking call. Signed-off-by: Colin Cross <ccross@...roid.com> --- fs/eventpoll.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/eventpoll.c b/fs/eventpoll.c index 9fec183..65245e7 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -34,6 +34,7 @@ #include <linux/mutex.h> #include <linux/anon_inodes.h> #include <linux/device.h> +#include <linux/freezer.h> #include <asm/uaccess.h> #include <asm/io.h> #include <asm/mman.h> @@ -1543,7 +1544,8 @@ fetch_events: } spin_unlock_irqrestore(&ep->lock, flags); - if (!schedule_hrtimeout_range(to, slack, HRTIMER_MODE_ABS)) + if (!freezable_schedule_hrtimeout_range(to, slack, + HRTIMER_MODE_ABS)) timed_out = 1; spin_lock_irqsave(&ep->lock, flags); -- 1.8.2.1 -- 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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