From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 17 May 2007 11:01:01 -0700 (PDT) From: Christoph Lameter Subject: Re: [PATCH 0/5] make slab gfp fair In-Reply-To: <1179424430.2925.7.camel@lappy> Message-ID: References: <1179350433.2912.66.camel@lappy> <1179386921.27354.29.camel@twins> <1179424430.2925.7.camel@lappy> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Peter Zijlstra Cc: Matt Mackall , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Thomas Graf , David Miller , Andrew Morton , Daniel Phillips , Pekka Enberg List-ID: On Thu, 17 May 2007, Peter Zijlstra wrote: > > > Its about ensuring ALLOC_NO_WATERMARKS memory only reaches PF_MEMALLOC > > > processes, not joe random's pi calculator. > > > > Watermarks are per zone? > > Yes, but the page allocator might address multiple zones in order to > obtain a page. And then again it may not because the allocation is contrained to a particular node,a NORMAL zone or a DMA zone. One zone way be below the watermark and another may not. Different allocations may be allowed to tap into various zones for various reasons. -- 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