From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: [rfc] [patch] mm: zone_reclaim fix for pseudo file systems From: Lee Schermerhorn In-Reply-To: References: <20070727232753.GA10311@localdomain> <20070730132314.f6c8b4e1.akpm@linux-foundation.org> Content-Type: text/plain Date: Mon, 30 Jul 2007 17:12:40 -0400 Message-Id: <1185829960.5492.94.camel@localhost> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Christoph Lameter Cc: Andrew Morton , Ravikiran G Thirumalai , linux-mm@kvack.org, Christoph Lameter , shai@scalex86.org List-ID: On Mon, 2007-07-30 at 13:31 -0700, Christoph Lameter wrote: > On Mon, 30 Jul 2007, Andrew Morton wrote: > > > It is a numa-specific change which adds overhead to non-NUMA builds :( > > It could be generalized to fix the other issues that we have with > unreclaimable pages. > For example, see the following patches that I posted in response to a discussion between Andrew, Rik van Riel and Andrea Arcangeli to resounding silence [for which, perhaps, I should be grateful?]: http://marc.info/?l=linux-mm&m=118315682007044&w=4 http://marc.info/?l=linux-mm&m=118315703313729&w=4 http://marc.info/?l=linux-mm&m=118315713323641&w=4 http://marc.info/?l=linux-mm&m=118315742025334&w=4 [By the way: I have another experimental patch in this series that uses Rik's page_anon() function from his "split LRU lists" patch to detect swap backed pages and push them to the "no reclaim list" when no swap space is available.] I haven't thought about it much, but perhaps my "page_reclaimable()" function could be taught to exclude RAMFS pages as well? Later, Lee -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org