From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: [patch 0/6] lockless pagecache From: Peter Zijlstra In-Reply-To: <20071111084556.GC19816@wotan.suse.de> References: <20071111084556.GC19816@wotan.suse.de> Content-Type: text/plain Date: Wed, 09 Jan 2008 16:45:30 +0100 Message-Id: <1199893530.7143.95.camel@twins> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Nick Piggin Cc: Andrew Morton , Linus Torvalds , Hugh Dickins , Linux Memory Management List List-ID: On Sun, 2007-11-11 at 09:45 +0100, Nick Piggin wrote: > Hi, > > I wonder what everyone thinks about getting the lockless pagecache patch > into -mm? This version uses Hugh's suggestion to avoid a smp_rmb and a load > and branch in the lockless lookup side, and avoids some atomic ops in the > reclaim path, and avoids using a page flag! The coolest thing about it is > that it speeds up single-threaded pagecache lookups... > > Patches are against latest git for RFC. How are we doing with this? -- 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