diff options
| author | Eric W. Biederman <ebiederm@xmission.com> | 2011-11-16 23:15:31 -0800 |
|---|---|---|
| committer | Eric W. Biederman <ebiederm@xmission.com> | 2012-04-07 16:55:51 -0700 |
| commit | c4a4d603796c727b9555867571f89483be9c565e (patch) | |
| tree | ae3b47a7b8b35c866df53cb4b4a051d49a28904a /kernel/sched/core.c | |
| parent | 7e6bd8fadd1216f50468f965d0308f45e5109ced (diff) | |
userns: Use cred->user_ns instead of cred->user->user_ns
Optimize performance and prepare for the removal of the user_ns reference
from user_struct. Remove the slow long walk through cred->user->user_ns and
instead go straight to cred->user_ns.
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Diffstat (limited to 'kernel/sched/core.c')
| -rw-r--r-- | kernel/sched/core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 4603b9d8f30a..96bff855b866 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -4042,7 +4042,7 @@ static bool check_same_owner(struct task_struct *p) rcu_read_lock(); pcred = __task_cred(p); - if (cred->user->user_ns == pcred->user->user_ns) + if (cred->user_ns == pcred->user_ns) match = (cred->euid == pcred->euid || cred->euid == pcred->uid); else |