From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 31 Jul 2007 01:35:14 -0700 From: Andrew Morton Subject: Re: [rfc] [patch] mm: zone_reclaim fix for pseudo file systems Message-Id: <20070731013514.146ab1bb.akpm@linux-foundation.org> In-Reply-To: <20070731082751.GB7316@localdomain> References: <20070731015647.GC32468@localdomain> <20070730192721.eb220a9d.akpm@linux-foundation.org> <20070730214756.c4211678.akpm@linux-foundation.org> <20070730221736.ccf67c86.akpm@linux-foundation.org> <20070730225809.ed0a95ff.akpm@linux-foundation.org> <20070731082751.GB7316@localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Ravikiran G Thirumalai Cc: clameter@sgi.com, linux-mm@kvack.org, shai@scalex86.org List-ID: On Tue, 31 Jul 2007 01:27:51 -0700 Ravikiran G Thirumalai wrote: > >From what I can see with .21 and .22, going into reclaim is a problem rather > than reclaim efficiency itself. Sure, if unreclaimable pages are not on LRU > it would be good, but the main problem for my narrow eyes is going into > reclaim when there are no reclaimable pages, and the fact that benchmark > works as expected with the fixed arithmetic reinforces that impression. > > What am I missing? The fact that is there are "no reclaimable pages" then the all_unreclaimable logic should kick in and fix the problem. Except zone_reclaim() fails to implement it. -- 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