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authorSrivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>2011-12-07 02:18:12 +0400
committerRafael J. Wysocki <rjw@sisk.pl>2011-12-09 02:22:09 +0400
commit33e638b9070ba5e8812836e20390da6a6af13900 (patch)
tree3352b34c01b8b99cda506eccb432ca6463cbb651 /include/linux/suspend.h
parent43753e58b16506f47bc2901e6a228445960b6ce7 (diff)
downloadlinux-33e638b9070ba5e8812836e20390da6a6af13900.tar.xz
PM / Sleep: Use the freezer_count() functions in [un]lock_system_sleep() APIs
Now that freezer_count() and freezer_do_not_count() don't have the restriction that they are effective only when called by userspace processes, use them in lock_system_sleep() and unlock_system_sleep() instead of open-coding their parts. Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'include/linux/suspend.h')
-rw-r--r--include/linux/suspend.h7
1 files changed, 3 insertions, 4 deletions
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index 1f7fff47cfac..906d62cfc15c 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -6,6 +6,7 @@
#include <linux/init.h>
#include <linux/pm.h>
#include <linux/mm.h>
+#include <linux/freezer.h>
#include <asm/errno.h>
#ifdef CONFIG_VT
@@ -380,16 +381,14 @@ static inline void unlock_system_sleep(void) {}
static inline void lock_system_sleep(void)
{
- /* simplified freezer_do_not_count() */
- current->flags |= PF_FREEZER_SKIP;
+ freezer_do_not_count();
mutex_lock(&pm_mutex);
}
static inline void unlock_system_sleep(void)
{
mutex_unlock(&pm_mutex);
- /* simplified freezer_count() */
- current->flags &= ~PF_FREEZER_SKIP;
+ freezer_count();
}
#endif