| Subject | Re: [PATCH 10/18] vdso: make arch_setup_additional_pages wait for mmap_sem for write killable | From | Vlastimil Babka <> | Date | Fri, 11 Mar 2016 12:28:14 +0100 |
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On 02/29/2016 02:26 PM, Michal Hocko wrote: > From: Michal Hocko <mhocko@suse.com> > > most architectures are relying on mmap_sem for write in their > arch_setup_additional_pages. If the waiting task gets killed by the oom > killer it would block oom_reaper from asynchronous address space reclaim > and reduce the chances of timely OOM resolving. Wait for the lock in > the killable mode and return with EINTR if the task got killed while > waiting. > > Cc: linux-arch@vger.kernel.org > Cc: Andy Lutomirski <luto@amacapital.net> > Signed-off-by: Michal Hocko <mhocko@suse.com>
I don't have much arch-specific insight, but looks OK.
Acked-by: Vlastimil Babka <vbabka@suse.cz>
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