Re: [PATCH] mm, oom: allow oom reaper to race with exit_mmap
From: Michal Hocko
Date: Mon Jul 24 2017 - 14:13:21 EST
On Tue 25-07-17 00:42:05, kbuild test robot wrote:
> Hi Michal,
>
> [auto build test ERROR on mmotm/master]
> [also build test ERROR on v4.13-rc2 next-20170724]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
>
> url: https://github.com/0day-ci/linux/commits/Michal-Hocko/mm-oom-allow-oom-reaper-to-race-with-exit_mmap/20170724-233159
> base: git://git.cmpxchg.org/linux-mmotm.git master
> config: x86_64-randconfig-x016-201730 (attached as .config)
> compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
> reproduce:
> # save the attached .config to linux build tree
> make ARCH=x86_64
>
> All error/warnings (new ones prefixed by >>):
>
> mm/oom_kill.c: In function '__oom_reap_task_mm':
> >> mm/oom_kill.c:523:9: error: 'ret' undeclared (first use in this function)
> return ret;
> ^~~
Fixed by http://lkml.kernel.org/r/20170724152703.GP25221@xxxxxxxxxxxxxx
--
Michal Hocko
SUSE Labs