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| 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 /ipc/namespace.c | |
| parent | 7e6bd8fadd1216f50468f965d0308f45e5109ced (diff) | |
| download | linux-c4a4d603796c727b9555867571f89483be9c565e.tar.bz2 | |
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 'ipc/namespace.c')
| -rw-r--r-- | ipc/namespace.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/ipc/namespace.c b/ipc/namespace.c index ce0a647869b1..f362298c5ce4 100644 --- a/ipc/namespace.c +++ b/ipc/namespace.c @@ -46,7 +46,7 @@ static struct ipc_namespace *create_ipc_ns(struct task_struct *tsk, ipcns_notify(IPCNS_CREATED); register_ipcns_notifier(ns); - ns->user_ns = get_user_ns(task_cred_xxx(tsk, user)->user_ns); + ns->user_ns = get_user_ns(task_cred_xxx(tsk, user_ns)); return ns; } |