diff options
author | Rafael J. Wysocki <rjw@sisk.pl> | 2006-03-23 06:00:04 -0500 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-23 10:38:08 -0500 |
commit | 02aaeb9b952f30b1ad6284d5d45be02030f679db (patch) | |
tree | 6577fcc544d34fbc9951be5dc1089ac227440573 /kernel/power/user.c | |
parent | 6e1819d615f24ce0726a7d0bd3dd0152d7b21654 (diff) |
[PATCH] swsusp: freeze user space processes first
Allow swsusp to freeze processes successfully under heavy load by freezing
userspace processes before kernel threads.
[Thanks to Nigel Cunningham <nigel@suspend2.net> for suggesting the
way to go.]
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/power/user.c')
-rw-r--r-- | kernel/power/user.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/kernel/power/user.c b/kernel/power/user.c index 8cabc405ca10..a97406b86ef3 100644 --- a/kernel/power/user.c +++ b/kernel/power/user.c | |||
@@ -138,7 +138,6 @@ static int snapshot_ioctl(struct inode *inode, struct file *filp, | |||
138 | case SNAPSHOT_FREEZE: | 138 | case SNAPSHOT_FREEZE: |
139 | if (data->frozen) | 139 | if (data->frozen) |
140 | break; | 140 | break; |
141 | sys_sync(); | ||
142 | down(&pm_sem); | 141 | down(&pm_sem); |
143 | pm_prepare_console(); | 142 | pm_prepare_console(); |
144 | disable_nonboot_cpus(); | 143 | disable_nonboot_cpus(); |