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Date: Wed, 13 Sep 2017 15:09:04 -0700 From: Andrew Morton <akpm@...ux-foundation.org> To: Sherry Yang <sherryy@...roid.com> Cc: linux-kernel@...r.kernel.org, tkjos@...gle.com, maco@...gle.com, arve@...roid.com, gregkh@...uxfoundation.org, Ingo Molnar <mingo@...nel.org>, Michal Hocko <mhocko@...e.com>, Vlastimil Babka <vbabka@...e.cz>, David Rientjes <rientjes@...gle.com>, Andrea Arcangeli <aarcange@...hat.com>, Peter Zijlstra <peterz@...radead.org>, Thomas Gleixner <tglx@...utronix.de>, Andy Lutomirski <luto@...nel.org>, Oleg Nesterov <oleg@...hat.com>, Hoeun Ryu <hoeun.ryu@...il.com>, Christoph Lameter <cl@...ux.com>, Vegard Nossum <vegard.nossum@...cle.com>, Frederic Weisbecker <fweisbec@...il.com> Subject: Re: [PATCH] mm: Restore mmput_async On Wed, 13 Sep 2017 17:59:27 -0400 Sherry Yang <sherryy@...roid.com> wrote: > Restore asynchronous mmput, allowing mmput_async to be called > from an atomic context in Android binder shrinker callback. > > mmput_async was initially introduced in ec8d7c14e > ("mm, oom_reaper: do not mmput synchronously from the > oom reaper context"), and was removed in 212925802 > ("mm: oom: let oom_reap_task and exit_mmap run concurrently") Presumably there's a patch somewhere which adds a call to mmput_async() into drivers/android/binder.c? Where is that patch?
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