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authorRafael J. Wysocki2011-12-25 23:42:20 +0100
committerRafael J. Wysocki2011-12-25 23:42:20 +0100
commitb7ba68c4a072c9aa8f04b8cf7838b6cd2f48d918 (patch)
treecd8f8029111fc52d06060691fb0325ba2e798e94 /mm
parent8d274ab7d3d6f23e2bc0e433c8d53acbe60a9773 (diff)
parent90363ddf0a1a4dccfbb8d0c10b8f488bc7fa69f8 (diff)
Merge branch 'pm-sleep' into pm-for-linus
* pm-sleep: (51 commits) PM: Drop generic_subsys_pm_ops PM / Sleep: Remove forward-only callbacks from AMBA bus type PM / Sleep: Remove forward-only callbacks from platform bus type PM: Run the driver callback directly if the subsystem one is not there PM / Sleep: Make pm_op() and pm_noirq_op() return callback pointers PM / Sleep: Merge internal functions in generic_ops.c PM / Sleep: Simplify generic system suspend callbacks PM / Hibernate: Remove deprecated hibernation snapshot ioctls PM / Sleep: Fix freezer failures due to racy usermodehelper_is_disabled() PM / Sleep: Recommend [un]lock_system_sleep() over using pm_mutex directly PM / Sleep: Replace mutex_[un]lock(&pm_mutex) with [un]lock_system_sleep() PM / Sleep: Make [un]lock_system_sleep() generic PM / Sleep: Use the freezer_count() functions in [un]lock_system_sleep() APIs PM / Freezer: Remove the "userspace only" constraint from freezer[_do_not]_count() PM / Hibernate: Replace unintuitive 'if' condition in kernel/power/user.c with 'else' Freezer / sunrpc / NFS: don't allow TASK_KILLABLE sleeps to block the freezer PM / Sleep: Unify diagnostic messages from device suspend/resume ACPI / PM: Do not save/restore NVS on Asus K54C/K54HR PM / Hibernate: Remove deprecated hibernation test modes PM / Hibernate: Thaw processes in SNAPSHOT_CREATE_IMAGE ioctl test path ... Conflicts: kernel/kmod.c
Diffstat (limited to 'mm')
-rw-r--r--mm/backing-dev.c8
-rw-r--r--mm/oom_kill.c2
2 files changed, 3 insertions, 7 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 71034f41a2ba..7ba8feae11b8 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -600,14 +600,10 @@ static void bdi_wb_shutdown(struct backing_dev_info *bdi)
/*
* Finally, kill the kernel thread. We don't need to be RCU
- * safe anymore, since the bdi is gone from visibility. Force
- * unfreeze of the thread before calling kthread_stop(), otherwise
- * it would never exet if it is currently stuck in the refrigerator.
+ * safe anymore, since the bdi is gone from visibility.
*/
- if (bdi->wb.task) {
- thaw_process(bdi->wb.task);
+ if (bdi->wb.task)
kthread_stop(bdi->wb.task);
- }
}
/*
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 069b64e521fc..eeb27e27dce3 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -328,7 +328,7 @@ static struct task_struct *select_bad_process(unsigned int *ppoints,
*/
if (test_tsk_thread_flag(p, TIF_MEMDIE)) {
if (unlikely(frozen(p)))
- thaw_process(p);
+ __thaw_task(p);
return ERR_PTR(-1UL);
}
if (!p->mm)