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authorRafael J. Wysocki <rjw@sisk.pl>2006-03-23 03:00:04 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-23 07:38:08 -0800
commit02aaeb9b952f30b1ad6284d5d45be02030f679db (patch)
tree6577fcc544d34fbc9951be5dc1089ac227440573 /kernel/power/user.c
parent6e1819d615f24ce0726a7d0bd3dd0152d7b21654 (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.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/kernel/power/user.c b/kernel/power/user.c
index 8cabc405ca1..a97406b86ef 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,
case SNAPSHOT_FREEZE:
if (data->frozen)
break;
- sys_sync();
down(&pm_sem);
pm_prepare_console();
disable_nonboot_cpus();