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authorEric W. Biederman <ebiederm@xmission.com>2007-09-27 09:04:26 +0400
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-11 03:52:46 +0400
commit9dd776b6d7b0b85966b6ddd03e2b2aae59012ab1 (patch)
treeed92aee1f242bb31a0965a4156063eac916ae15e /kernel/fork.c
parent8b41d1887db718be9a2cd9e18c58ce25a4c7fd93 (diff)
downloadlinux-9dd776b6d7b0b85966b6ddd03e2b2aae59012ab1.tar.xz
[NET]: Add network namespace clone & unshare support.
This patch allows you to create a new network namespace using sys_clone, or sys_unshare. As the network namespace is still experimental and under development clone and unshare support is only made available when CONFIG_NET_NS is selected at compile time. As this patch introduces network namespace support into code paths that exist when the CONFIG_NET is not selected there are a few additions made to net_namespace.h to allow a few more functions to be used when the networking stack is not compiled in. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 33f12f48684a..5e67f90a1694 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1608,7 +1608,8 @@ asmlinkage long sys_unshare(unsigned long unshare_flags)
err = -EINVAL;
if (unshare_flags & ~(CLONE_THREAD|CLONE_FS|CLONE_NEWNS|CLONE_SIGHAND|
CLONE_VM|CLONE_FILES|CLONE_SYSVSEM|
- CLONE_NEWUTS|CLONE_NEWIPC|CLONE_NEWUSER))
+ CLONE_NEWUTS|CLONE_NEWIPC|CLONE_NEWUSER|
+ CLONE_NEWNET))
goto bad_unshare_out;
if ((err = unshare_thread(unshare_flags)))