linux-kernel - Re: [PATCH/RFC] NOMMU: drop page cache whenever any alloc fails due to low memory

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:	Tue, 14 Jul 2009 16:30:38 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Mike Frysinger <vapier@...too.org>
Cc:	linux-kernel@...r.kernel.org,
	uclinux-dist-devel@...ckfin.uclinux.org,
	Sonic Zhang <sonic.zhang@...log.com>,
	David Howells <dhowells@...hat.com>
Subject: Re: [PATCH/RFC] NOMMU: drop page cache whenever any alloc fails
 due to low memory

On Tue, 2009-07-14 at 10:22 -0400, Mike Frysinger wrote:
> From: Sonic Zhang <sonic.zhang@...log.com>
> 
> Since no-mmu systems tend to be memory constrained, we want to drop all
> of the page cache whenever memory gets low.  The only other option is to
> invoke the oom killer, and clearly that's not ideal.

Uhm,.. normally reclaim will already try to drop pagecache.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/