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| author | Matt Helsley <matthltc@us.ibm.com> | 2008-10-19 05:27:22 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-20 17:52:34 +0200 |
| commit | 5a06915c6df9b89cda5ddb3f8cce5f9a6be534d2 (patch) | |
| tree | 9c2cd3c928e1e29e34dcc90ea45deab12653c111 /kernel/power | |
| parent | container freezer: implement freezer cgroup subsystem (diff) | |
| download | linux-5a06915c6df9b89cda5ddb3f8cce5f9a6be534d2.tar.xz linux-5a06915c6df9b89cda5ddb3f8cce5f9a6be534d2.zip | |
container freezer: skip frozen cgroups during power management resume
When a system is resumed after a suspend, it will also unfreeze frozen
cgroups.
This patchs modifies the resume sequence to skip the tasks which are part
of a frozen control group.
Signed-off-by: Cedric Le Goater <clg@fr.ibm.com>
Signed-off-by: Matt Helsley <matthltc@us.ibm.com>
Acked-by: Serge E. Hallyn <serue@us.ibm.com>
Tested-by: Matt Helsley <matthltc@us.ibm.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/power')
| -rw-r--r-- | kernel/power/process.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/power/process.c b/kernel/power/process.c index 444cea80fde8..ca634019497a 100644 --- a/kernel/power/process.c +++ b/kernel/power/process.c @@ -135,6 +135,9 @@ static void thaw_tasks(bool nosig_only) if (nosig_only && should_send_signal(p)) continue; + if (cgroup_frozen(p)) + continue; + thaw_process(p); } while_each_thread(g, p); read_unlock(&tasklist_lock); |