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Message-ID: <4A0EFA08.4060106@redhat.com> Date: Sat, 16 May 2009 13:38:16 -0400 From: Rik van Riel <riel@...hat.com> To: Ray Lee <ray-lk@...rabbit.org> CC: Christoph Lameter <cl@...ux-foundation.org>, Satish Eerpini <eerpini@...il.com>, linux-kernel <linux-kernel@...r.kernel.org>, fengguang.wu@...el.com Subject: Re: unresponsiveness on linux desktop during file copy Ray Lee wrote: > On Fri, May 15, 2009 at 12:33 PM, Christoph Lameter > <cl@...ux-foundation.org> wrote: >> On Fri, 15 May 2009, Ray Lee wrote: >> >>> Which kernel version? If it's something recent, your programs may be >>> getting swapped out due to a flaw in the latest kernels, where it >>> accidentally prefers caching file data over mapped pages. If that's >>> the case, Rik (cc:d) is working on patches to address the issue, and >>> may appreciate another tester. >> Please keep me in the loop. I'd be interested if those patches work and >> what effect they have. > > Whoops, looks like Wu Fengguang (cc:d), not Rik, has been working on > those patches. See the messages starting with "[PATCH 0/3] make mapped > executable pages the first class citizen" [ > http://lkml.org/lkml/2009/5/16/23 ] We both have. Wu's patches build on a patch of mine, which Andrew has already merged into -mm. http://lkml.org/lkml/2009/4/29/489 -- All rights reversed. -- 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/
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