[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.

Oleg.

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


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