diff options
| author | Ingo Molnar <mingo@kernel.org> | 2015-10-06 17:05:36 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-10-06 17:05:36 +0200 |
| commit | fe19159225d8516f3f57a5fe8f735c01684f0ddd (patch) | |
| tree | 1a41faa5ef5139485f4afabd6bb9d3977c0a115b /include/linux/sched.h | |
| parent | c6e1e7b5b7f031910850ddaf7bfa65ba3b4843ea (diff) | |
| parent | 95913d97914f44db2b81271c2e2ebd4d2ac2df83 (diff) | |
Merge branch 'sched/urgent' into sched/core, to pick up fixes before applying new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 699228bb0035..d086cf0ca2c7 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -762,6 +762,18 @@ struct signal_struct { unsigned audit_tty_log_passwd; struct tty_audit_buf *tty_audit_buf; #endif +#ifdef CONFIG_CGROUPS + /* + * group_rwsem prevents new tasks from entering the threadgroup and + * member tasks from exiting,a more specifically, setting of + * PF_EXITING. fork and exit paths are protected with this rwsem + * using threadgroup_change_begin/end(). Users which require + * threadgroup to remain stable should use threadgroup_[un]lock() + * which also takes care of exec path. Currently, cgroup is the + * only user. + */ + struct rw_semaphore group_rwsem; +#endif oom_flags_t oom_flags; short oom_score_adj; /* OOM kill score adjustment */ |