tree 30fb5d6f149425c7d30fa9a8540a517f1cb911c4
parent 84d737866e2babdeab0c6b18ea155c6a649663b8
author Oleg Nesterov <oleg@tv-sign.ru> 1165574282 -0800
committer Linus Torvalds <torvalds@woody.osdl.org> 1165595332 -0800

[PATCH] sys_setpgid: eliminate unnecessary do_each_task_pid(PIDTYPE_PGID)

All tasks in the process group have the same sid, we don't need to iterate
them all to check that the caller of sys_setpgid() doesn't change its
session.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>