diff options
| author | Rafael J. Wysocki <rjw@sisk.pl> | 2007-05-06 14:50:48 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-07 12:12:59 -0700 |
| commit | b1296cc48b39355241470ef934a5e2270e3f23bd (patch) | |
| tree | cfaf24de442b9ce19414f67106461f7c4829a1a7 /kernel/sys.c | |
| parent | d1d241cc2c5feec057c370aa71637380b1b945d5 (diff) | |
freezer: fix racy usage of try_to_freeze in kswapd
Currently we can miss freeze_process()->signal_wake_up() in kswapd() if it
happens between try_to_freeze() and prepare_to_wait(). To prevent this
from happening we should check freezing(current) before calling schedule().
Signed-off-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>
Diffstat (limited to 'kernel/sys.c')
0 files changed, 0 insertions, 0 deletions