Messages in this thread | | | From | "Zhang, Sonic" <> | Subject | RE: [PATCH/RFC] NOMMU: drop page cache whenever any alloc fails due to low memory | Date | Wed, 15 Jul 2009 11:29:10 +0800 |
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The reclaim is not that aggressive.
Sonic
-----Original Message----- From: Peter Zijlstra [mailto:peterz@infradead.org] Sent: Tuesday, July 14, 2009 10:31 PM To: Mike Frysinger Cc: linux-kernel@vger.kernel.org; uclinux-dist-devel@blackfin.uclinux.org; Zhang, Sonic; David Howells 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@analog.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.
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