From: Oleg Nesterov <oleg@tv-sign.ru>
Date: Fri, 8 Dec 2006 10:38:02 +0000 (-0800)
Subject: [PATCH] sys_setpgid: eliminate unnecessary do_each_task_pid(PIDTYPE_PGID)
X-Git-Tag: v2.6.20-rc1~34^2~250
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f020bc468fe4a91d32046d448511978c7b611315;p=pandora-kernel.git

[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>
---

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