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| author | Li Zefan <lizf@cn.fujitsu.com> | 2008-10-29 14:00:53 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-30 11:38:45 -0700 |
| commit | 00c2e63c31d0f431952ff2a671c5c6997dd4f8b2 (patch) | |
| tree | 2277b400fef79e55c13d7045aa63d5bed9ad5883 /kernel/cgroup_freezer.c | |
| parent | 80a6a2cf3bebcf20285cf05373b9c5ec96816577 (diff) | |
| download | lwn-00c2e63c31d0f431952ff2a671c5c6997dd4f8b2.tar.gz lwn-00c2e63c31d0f431952ff2a671c5c6997dd4f8b2.zip | |
freezer_cg: use thaw_process() in unfreeze_cgroup()
Don't duplicate the implementation of thaw_process().
[akpm@linux-foundation.org: make __thaw_process() static]
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>
Acked-by: Matt Helsley <matthltc@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/cgroup_freezer.c')
| -rw-r--r-- | kernel/cgroup_freezer.c | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/kernel/cgroup_freezer.c b/kernel/cgroup_freezer.c index e9c856a265c9..5e6d26b66e88 100644 --- a/kernel/cgroup_freezer.c +++ b/kernel/cgroup_freezer.c @@ -275,25 +275,18 @@ static int try_to_freeze_cgroup(struct cgroup *cgroup, struct freezer *freezer) return num_cant_freeze_now ? -EBUSY : 0; } -static int unfreeze_cgroup(struct cgroup *cgroup, struct freezer *freezer) +static void unfreeze_cgroup(struct cgroup *cgroup, struct freezer *freezer) { struct cgroup_iter it; struct task_struct *task; cgroup_iter_start(cgroup, &it); while ((task = cgroup_iter_next(cgroup, &it))) { - int do_wake; - - task_lock(task); - do_wake = __thaw_process(task); - task_unlock(task); - if (do_wake) - wake_up_process(task); + thaw_process(task); } cgroup_iter_end(cgroup, &it); - freezer->state = CGROUP_THAWED; - return 0; + freezer->state = CGROUP_THAWED; } static int freezer_change_state(struct cgroup *cgroup, @@ -320,7 +313,7 @@ static int freezer_change_state(struct cgroup *cgroup, } /* state == FREEZING and goal_state == THAWED, so unfreeze */ case CGROUP_FROZEN: - retval = unfreeze_cgroup(cgroup, freezer); + unfreeze_cgroup(cgroup, freezer); break; default: break; |