Subject: + relay-fix-timer-madness-v2.patch added to -mm tree
To: jovi.zhangwei@xxxxxxxxxx,axboe@xxxxxxxxx,edumazet@xxxxxxxxxx,mingo@xxxxxxx,rostedt@xxxxxxxxxxx,viro@xxxxxxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Wed, 10 Jul 2013 15:23:03 -0700
The patch titled
Subject: relay-fix-timer-madness-v2
has been added to the -mm tree. Its filename is
relay-fix-timer-madness-v2.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/relay-fix-timer-madness-v2.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/relay-fix-timer-madness-v2.patch
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------------------------------------------------------
From: "zhangwei(Jovi)" <jovi.zhangwei@xxxxxxxxxx>
Subject: relay-fix-timer-madness-v2
Changed from v1:
mod timer interval changed from jiffies+1 to HZ/10, as Ingo suggested.
Signed-off-by: "zhangwei(Jovi)" <jovi.zhangwei@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Cc: Jens Axboe <axboe@xxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Eric Dumazet <edumazet@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/relay.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN kernel/relay.c~relay-fix-timer-madness-v2 kernel/relay.c
--- a/kernel/relay.c~relay-fix-timer-madness-v2
+++ a/kernel/relay.c
@@ -342,7 +342,7 @@ static void wakeup_readers(unsigned long
/*
* Stupid polling for now:
*/
- mod_timer(&buf->timer, jiffies + 1);
+ mod_timer(&buf->timer, HZ / 10);
}
/**
@@ -360,7 +360,7 @@ static void __relay_reset(struct rchan_b
init_waitqueue_head(&buf->read_wait);
kref_init(&buf->kref);
setup_timer(&buf->timer, wakeup_readers, (unsigned long)buf);
- mod_timer(&buf->timer, jiffies + 1);
+ mod_timer(&buf->timer, HZ / 10);
} else
del_timer_sync(&buf->timer);
_
Patches currently in -mm which might be from jovi.zhangwei@xxxxxxxxxx are
linux-next.patch
relay-fix-timer-madness.patch
relay-fix-timer-madness-v2.patch
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