The patch titled
freezer_cg: use thaw_process() in unfreeze_cgroup()
has been added to the -mm tree. Its filename is
freezer_cg-use-thaw_process-in-unfreeze_cgroup.patch
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See http://userweb.kernel.org/~akpm/added-to-mm.txt to find
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------------------------------------------------------
Subject: freezer_cg: use thaw_process() in unfreeze_cgroup()
From: Li Zefan <lizf@xxxxxxxxxxxxxx>
Don't duplicate the implementation of thaw_process().
Signed-off-by: Li Zefan <lizf@xxxxxxxxxxxxxx>
Cc: Cedric Le Goater <clg@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/cgroup_freezer.c | 15 ++++-----------
1 file changed, 4 insertions(+), 11 deletions(-)
diff -puN kernel/cgroup_freezer.c~freezer_cg-use-thaw_process-in-unfreeze_cgroup kernel/cgroup_freezer.c
--- a/kernel/cgroup_freezer.c~freezer_cg-use-thaw_process-in-unfreeze_cgroup
+++ a/kernel/cgroup_freezer.c
@@ -275,25 +275,18 @@ static int try_to_freeze_cgroup(struct c
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 c
}
/* state == FREEZING and goal_state == THAWED, so unfreeze */
case CGROUP_FROZEN:
- retval = unfreeze_cgroup(cgroup, freezer);
+ unfreeze_cgroup(cgroup, freezer);
break;
default:
break;
_
Patches currently in -mm which might be from lizf@xxxxxxxxxxxxxx are
origin.patch
freezer_cg-fix-improper-bug_on-causing-oops.patch
freezer_cg-remove-redundant-check-in-freezer_can_attach.patch
freezer_cg-use-thaw_process-in-unfreeze_cgroup.patch
freezer_cg-use-thaw_process-in-unfreeze_cgroup-fix.patch
freezer_cg-simplify-freezer_change_state.patch
cgroups-tiny-cleanups.patch
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