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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-10-02 18:08:56 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-10-02 18:08:56 +0200 |
| commit | 726dcbe5f5d88080b9106f3a55b95d358b2aa140 (patch) | |
| tree | 7699d33c6e8ade748e3c4154933be8d2b475b25d /kernel | |
| parent | 8a21c0e745cf726d5cb5ed0cfdee5857d2dd0ce7 (diff) | |
| parent | 19ea1a4400e9b8a3858c358509e2514d4eef785f (diff) | |
| download | blackbird-op-linux-726dcbe5f5d88080b9106f3a55b95d358b2aa140.tar.gz blackbird-op-linux-726dcbe5f5d88080b9106f3a55b95d358b2aa140.zip | |
Merge branch 'pm-fixes'
* pm-fixes:
intel_pstate: fix no_turbo
cpufreq: cpufreq-cpu0: NULL is a valid regulator, part 2
cpufreq: SPEAr: Fix incorrect variable type
PM / hibernate: Fix user space driven resume regression
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/power/snapshot.c | 5 | ||||
| -rw-r--r-- | kernel/power/user.c | 8 |
2 files changed, 12 insertions, 1 deletions
diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c index 358a146fd4da..98c3b34a4cff 100644 --- a/kernel/power/snapshot.c +++ b/kernel/power/snapshot.c @@ -743,7 +743,10 @@ int create_basic_memory_bitmaps(void) struct memory_bitmap *bm1, *bm2; int error = 0; - BUG_ON(forbidden_pages_map || free_pages_map); + if (forbidden_pages_map && free_pages_map) + return 0; + else + BUG_ON(forbidden_pages_map || free_pages_map); bm1 = kzalloc(sizeof(struct memory_bitmap), GFP_KERNEL); if (!bm1) diff --git a/kernel/power/user.c b/kernel/power/user.c index 72e8f4fd616d..957f06164ad1 100644 --- a/kernel/power/user.c +++ b/kernel/power/user.c @@ -39,6 +39,7 @@ static struct snapshot_data { char frozen; char ready; char platform_support; + bool free_bitmaps; } snapshot_state; atomic_t snapshot_device_available = ATOMIC_INIT(1); @@ -82,6 +83,10 @@ static int snapshot_open(struct inode *inode, struct file *filp) data->swap = -1; data->mode = O_WRONLY; error = pm_notifier_call_chain(PM_RESTORE_PREPARE); + if (!error) { + error = create_basic_memory_bitmaps(); + data->free_bitmaps = !error; + } if (error) pm_notifier_call_chain(PM_POST_RESTORE); } @@ -111,6 +116,8 @@ static int snapshot_release(struct inode *inode, struct file *filp) pm_restore_gfp_mask(); free_basic_memory_bitmaps(); thaw_processes(); + } else if (data->free_bitmaps) { + free_basic_memory_bitmaps(); } pm_notifier_call_chain(data->mode == O_RDONLY ? PM_POST_HIBERNATION : PM_POST_RESTORE); @@ -231,6 +238,7 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd, break; pm_restore_gfp_mask(); free_basic_memory_bitmaps(); + data->free_bitmaps = false; thaw_processes(); data->frozen = 0; break; |
