From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 17 Jan 2008 23:21:47 -0800 From: Andrew Morton Subject: Re: [RFC][PATCH] a bit improvement of ZONE_DMA page reclaim Message-Id: <20080117232147.85ae8cab.akpm@linux-foundation.org> In-Reply-To: <20080118151822.8FAE.KOSAKI.MOTOHIRO@jp.fujitsu.com> References: <20080118151822.8FAE.KOSAKI.MOTOHIRO@jp.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: KOSAKI Motohiro Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Marcelo Tosatti , Rik van Riel , Daniel Spang List-ID: On Fri, 18 Jan 2008 15:34:33 +0900 KOSAKI Motohiro wrote: > Hi > > on X86, ZONE_DMA is very very small. > It is often no used at all. In that case page-reclaim is supposed to set all_unreclaimable and basically ignores the zone altogether until it looks like something might have changed. Is that code not working? (quite possible). -- 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