commit: 9744997a8a2280e67984d4bffd87221d24f3b6b1 From: Rafael J. Wysocki <[email protected]> Date: Tue, 10 May 2011 21:10:01 +0200 Subject: [PATCH] PM / Hibernate: Make snapshot_release() restore GFP mask
If the process using the hibernate user space interface closes /dev/snapshot after creating a hibernation image without thawing tasks, snapshot_release() should call pm_restore_gfp_mask() to restore the GFP mask used before the creation of the image. Make that happen. Tested-by: Alexandre Felipe Muller de Souza <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]> Cc: [email protected] --- kernel/power/user.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/kernel/power/user.c b/kernel/power/user.c index c36c3b9..6522be9 100644 --- a/kernel/power/user.c +++ b/kernel/power/user.c @@ -135,8 +135,10 @@ static int snapshot_release(struct inode *inode, struct file *filp) free_basic_memory_bitmaps(); data = filp->private_data; free_all_swap_pages(data->swap); - if (data->frozen) + if (data->frozen) { + pm_restore_gfp_mask(); thaw_processes(); + } pm_notifier_call_chain(data->mode == O_RDONLY ? PM_POST_HIBERNATION : PM_POST_RESTORE); atomic_inc(&snapshot_device_available); _______________________________________________ stable mailing list [email protected] http://linux.kernel.org/mailman/listinfo/stable
