tree 6df7459af26ba1f09bfffcf7029a838037bb595a
parent e87be1143472d841c1907e6e7ae4862a30e3595c
author Oleg Nesterov <oleg@tv-sign.ru> 1178488240 -0700
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1178565178 -0700

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>