From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 2 Sep 2005 18:33:52 -0700 (PDT) From: Christoph Lameter Subject: Re: [PATCH 2.6.13] lockless pagecache 2/7 In-Reply-To: <4318C395.1080203@yahoo.com.au> Message-ID: References: <4317F071.1070403@yahoo.com.au> <4317F0F9.1080602@yahoo.com.au> <4317F136.4040601@yahoo.com.au> <4318C395.1080203@yahoo.com.au> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Nick Piggin Cc: Linux Memory Management , linux-kernel List-ID: On Sat, 3 Sep 2005, Nick Piggin wrote: > Thanks Christoph, I think this will be required to support 386. > In the worst case, we could provide a fallback path and take > ->tree_lock in pagecache lookups if there is no atomic_cmpxchg, > however I would much prefer all architectures get an atomic_cmpxchg, > and I think it should turn out to be a generally useful primitive. > > I may trim this down to only provide what is needed for atomic_cmpxchg > if that is OK? Do not hesitate to do whatever you need to the patch. I took what I needed from you for this patch last year too. -- 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