From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 30 Dec 2005 23:15:07 -0200 From: Marcelo Tosatti Subject: Re: [PATCH 14/14] page-replace-kswapd-incmin.patch Message-ID: <20051231011507.GC4913@dmt.cnet> References: <20051230223952.765.21096.sendpatchset@twins.localnet> <20051230224212.765.38527.sendpatchset@twins.localnet> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20051230224212.765.38527.sendpatchset@twins.localnet> Sender: owner-linux-mm@kvack.org Return-Path: To: Peter Zijlstra Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrew Morton , Christoph Lameter , Wu Fengguang , Nick Piggin , Marijn Meijles , Rik van Riel List-ID: On Fri, Dec 30, 2005 at 11:42:34PM +0100, Peter Zijlstra wrote: > > From: Nick Piggin > > Explicitly teach kswapd about the incremental min logic instead of just scanning > all zones under the first low zone. This should keep more even pressure applied > on the zones. > > The new shrink_zone() logic exposes the very worst side of the current > balance_pgdat() function. Without this patch reclaim is limited to ZONE_DMA. Can you please describe the issue with over protection of DMA zone you experienced? I'll see if I can reproduce it with Nick's standalone patch on top of vanilla, what load was that? -- 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