From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <44D93CD0.5070905@yahoo.com.au> Date: Wed, 09 Aug 2006 11:39:28 +1000 From: Nick Piggin MIME-Version: 1.0 Subject: Re: 2.6.18-rc3-mm2: rcu radix tree patches break page migration References: <44D7E7DF.1080106@yahoo.com.au> <44D82508.9020409@yahoo.com.au> <20060808102511.64dcf5dc.akpm@osdl.org> In-Reply-To: <20060808102511.64dcf5dc.akpm@osdl.org> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Andrew Morton Cc: Christoph Lameter , linux-mm@kvack.org, Lee Schermerhorn List-ID: Andrew Morton wrote: >On Tue, 8 Aug 2006 09:19:08 -0700 (PDT) >Christoph Lameter wrote: > > >>The radix tree rcu code runs into trouble when we use radix_tree_lookup >>slot and use the slot to update the page reference. >> > >"trouble"? Do we know what it is? What are the implications of this for >the rcu radix-tree patches? > I must have broken lookup_slot (luckily regular pagecache ops are not affected). I'm looking at it... -- Send instant messages to your online friends http://au.messenger.yahoo.com -- 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