linux-kernel - Re: [PATCH v1 3/3] mm: per-process reclaim

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 15 Jun 2016 10:01:07 +0900
From:	Minchan Kim <minchan@...nel.org>
To:	Rik van Riel <riel@...hat.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Sangwoo Park <sangwoo2.park@....com>
Subject: Re: [PATCH v1 3/3] mm: per-process reclaim

On Mon, Jun 13, 2016 at 01:06:35PM -0400, Rik van Riel wrote:
> On Mon, 2016-06-13 at 16:50 +0900, Minchan Kim wrote:
> > These day, there are many platforms available in the embedded market
> > and sometime, they has more hints about workingset than kernel so
> > they want to involve memory management more heavily like android's
> > lowmemory killer and ashmem or user-daemon with lowmemory notifier.
> > 
> > This patch adds add new method for userspace to manage memory
> > efficiently via knob "/proc/<pid>/reclaim" so platform can reclaim
> > any process anytime.
> > 
> 
> Could it make sense to invoke this automatically,
> perhaps from the Android low memory killer code?

It's doable. In fact, It was first internal implementation of our
product. However, I wanted to use it on platforms which don't have
lowmemory killer. :)