tree c5bdbedb08abab4673f1cdab12b7358facc247db
parent 486ccb05fdbb7ca79784fdf0d07d2a86de48cf05
author Oleg Nesterov <oleg@tv-sign.ru> 1159520425 -0700
committer Linus Torvalds <torvalds@g5.osdl.org> 1159546694 -0700

[PATCH] elf_fdpic_core_dump: don't take tasklist_lock

do_each_thread() is rcu-safe, and all tasks which use this ->mm must sleep
in wait_for_completion(&mm->core_done) at this point, so we can use RCU
locks.

Also, remove unneeded INIT_LIST_HEAD(new) before list_add(new, head).

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Acked-By: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>