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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-10-14 00:50:31 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-10-14 00:50:31 +0200 |
| commit | 69f658e399f3d9cb9c9680afb714ba23860d7ccb (patch) | |
| tree | 13fbc42f466cb10d319514e4ddec53def8c554f6 /kernel/fork.c | |
| parent | 9867999f3a85b52f96ef05fca00cc8128eed01ce (diff) | |
| parent | 42f6284ae602469762ee721ec31ddfc6170e00bc (diff) | |
| download | talos-op-linux-69f658e399f3d9cb9c9680afb714ba23860d7ccb.tar.gz talos-op-linux-69f658e399f3d9cb9c9680afb714ba23860d7ccb.zip | |
Merge branch 'pm-domains' into pm-opp
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 10646182440f..e702cb9ffbd8 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -946,6 +946,24 @@ void mmput(struct mm_struct *mm) } EXPORT_SYMBOL_GPL(mmput); +#ifdef CONFIG_MMU +static void mmput_async_fn(struct work_struct *work) +{ + struct mm_struct *mm = container_of(work, struct mm_struct, + async_put_work); + + __mmput(mm); +} + +void mmput_async(struct mm_struct *mm) +{ + if (atomic_dec_and_test(&mm->mm_users)) { + INIT_WORK(&mm->async_put_work, mmput_async_fn); + schedule_work(&mm->async_put_work); + } +} +#endif + /** * set_mm_exe_file - change a reference to the mm's executable file * |
