From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 23 Aug 2007 14:08:28 +0200 From: Andrea Arcangeli Subject: Re: [RFC 0/7] Postphone reclaim laundry to write at high water marks Message-ID: <20070823120819.GO13915@v2.random> References: <20070820215040.937296148@sgi.com> <1187692586.6114.211.camel@twins> <1187730812.5463.12.camel@lappy> <1187734144.5463.35.camel@lappy> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1187734144.5463.35.camel@lappy> Sender: owner-linux-mm@kvack.org Return-Path: To: Peter Zijlstra Cc: Christoph Lameter , linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: On Wed, Aug 22, 2007 at 12:09:03AM +0200, Peter Zijlstra wrote: > Strictly speaking: > > if: > > page = alloc_page(gfp); > > fails but: > > obj = kmem_cache_alloc(s, gfp); > > succeeds then its a bug. Why? this is like saying that if alloc_pages(order=1) fails but alloc_pages(order=0) succeeds then it's a bug. Obviously it's not a bug. The only bug is if slab allocations <=4k fails despite alloc_pages(order=0) would succeed. -- 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