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authorEric W. Biederman <ebiederm@xmission.com>2011-11-16 23:15:31 -0800
committerEric W. Biederman <ebiederm@xmission.com>2012-04-07 16:55:51 -0700
commitc4a4d603796c727b9555867571f89483be9c565e (patch)
treeae3b47a7b8b35c866df53cb4b4a051d49a28904a /ipc/namespace.c
parent7e6bd8fadd1216f50468f965d0308f45e5109ced (diff)
downloadlinux-c4a4d603796c727b9555867571f89483be9c565e.tar.gz
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.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ipc/namespace.c b/ipc/namespace.c
index ce0a647869b..f362298c5ce 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;
}