From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 19 Jun 2006 08:35:09 -0700 (PDT) From: Christoph Lameter Subject: Re: [patch] rfc: fix splice mapping race? In-Reply-To: <20060618094157.GD14452@wotan.suse.de> Message-ID: References: <20060618094157.GD14452@wotan.suse.de> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Nick Piggin Cc: Linux Kernel Mailing List , Andrew Morton , Christoph Lameter , Jens Axboe , Linux Memory Management List List-ID: On Sun, 18 Jun 2006, Nick Piggin wrote: > In page migration, detect the missing mapping early and bail out if > that is the case: the page is not going to get un-truncated, so > retrying is just a waste of time. Note that swap_page() has been removed in Andrew's tree. We already check for the mapping being NULL before we get to swap_page by the way. See migrate_pages(). -- 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