From: Oleg Nesterov <oleg@tv-sign.ru>
Date: Sun, 6 May 2007 21:50:40 +0000 (-0700)
Subject: fix refrigerator() vs thaw_process() race
X-Git-Tag: v2.6.22-rc1~906
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=433ecb4ab312f873870b67ee374502e84f6dcf92;p=pandora-kernel.git

fix refrigerator() vs thaw_process() race

refrigerator() can miss a wakeup, "wait event" loop needs a proper memory
ordering.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Acked-by: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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