On Tue, 07 Dec 2010 17:12:33 +0300
Pavel Emelyanov <xemul@xxxxxxxxxxxxx> wrote:
> @@ -126,3 +128,11 @@ gid_t user_ns_map_gid(struct user_namespace *to, const struct cred *cred, gid_t
> /* No useful relationship so no mapping */
> return overflowgid;
> }
> +
> +static __init int user_namespaces_init(void)
> +{
> + user_ns_cachep = KMEM_CACHE(user_namespace, SLAB_PANIC);
> + return 0;
> +}
> +
> +__initcall(user_namespaces_init);
checkpatch (which you apparently didn't use) says
WARNING: please use device_initcall() instead of __initcall()
#81: FILE: kernel/user_namespace.c:138:
+__initcall(user_namespaces_init);
which was a somewhat random recommendation. I think I'll switch it to
plain old module_init().
Presumably user-namespaces don't get used prior to initcalls being run.
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