Messages in this thread | | | From | Andy Lutomirski <> | Date | Mon, 29 Feb 2016 07:41:39 -0800 | Subject | Re: [PATCH 10/18] vdso: make arch_setup_additional_pages wait for mmap_sem for write killable |
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On Mon, Feb 29, 2016 at 5:26 AM, Michal Hocko <mhocko@kernel.org> 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.
Acked-by: Andy Lutomirski <luto@kernel.org> # for the x86 vdso
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