[PATCH 0/3] exit: avoid O(n ** 2) thread-list scan on group-exit if possible

From: Oleg Nesterov
Date: Thu Nov 20 2014 - 13:34:08 EST

On 11/18, Oleg Nesterov wrote:
> but I found other bugs in this area. Fix them first. This is also
> preparation for the next changes in exit_notify() paths.

Finally the optimization I had in mind from the very beginning.

Probably this is not the last series... in particular it seems that we
have some problems with sys_setns() in this area, but I need to recheck.
Plus more cleanups/microoptimizations.


kernel/exit.c | 50 +++++++++++++++++++++++++-------------------------
1 files changed, 25 insertions(+), 25 deletions(-)

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/