tree 947541ad7cbb1764691f9fd0ddbca4e5ee690faa
parent 5771a8c08880cdca3bfb4a3fc6d309d6bba20877
author Al Viro <viro@zeniv.linux.org.uk> 1499561886 -0400
committer Al Viro <viro@zeniv.linux.org.uk> 1500166001 -0400

shmctl: split the work from copyin/copyout

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>