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From: Andrew Morton <akpm@linux-foundation.org>
To: Sherry Yang <sherryy@android.com>
Cc: linux-kernel@vger.kernel.org, tkjos@google.com, maco@google.com,
	arve@android.com, gregkh@linuxfoundation.org,
	Ingo Molnar <mingo@kernel.org>, Michal Hocko <mhocko@suse.com>,
	Vlastimil Babka <vbabka@suse.cz>,
	David Rientjes <rientjes@google.com>,
	Andrea Arcangeli <aarcange@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Andy Lutomirski <luto@kernel.org>,
	Oleg Nesterov <oleg@redhat.com>, Hoeun Ryu <hoeun.ryu@gmail.com>,
	Christoph Lameter <cl@linux.com>,
	Vegard Nossum <vegard.nossum@oracle.com>,
	Frederic Weisbecker <fweisbec@gmail.com>
Subject: Re: [PATCH] mm: Restore mmput_async
Date: Wed, 13 Sep 2017 15:09:04 -0700	[thread overview]
Message-ID: <20170913150904.90a37a966a04ea394a2c3d9b@linux-foundation.org> (raw)
In-Reply-To: <20170913215932.86846-1-sherryy@android.com>

On Wed, 13 Sep 2017 17:59:27 -0400 Sherry Yang <sherryy@android.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?

  reply	other threads:[~2017-09-13 22:09 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-08 22:39 [PATCH] android: binder: Drop lru lock in isolate callback Sherry Yang
2017-09-13 21:59 ` [PATCH] mm: Restore mmput_async Sherry Yang
2017-09-13 22:09   ` Andrew Morton [this message]
2017-09-13 22:44     ` Sherry Yang
2017-09-13 22:57       ` Andrew Morton
2017-09-14  0:08         ` Arve Hjønnevåg
2017-09-14  8:19   ` Michal Hocko
2017-09-14 18:22     ` [PATCH v2] android: binder: Drop lru lock in isolate callback Sherry Yang
2017-09-14 20:12       ` Andrew Morton

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