From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 12 Nov 2008 14:31:18 -0600 (CST) From: Christoph Lameter Subject: Re: [PATCH 2/4] Add replace_page(), change the mapping of pte from one page into another In-Reply-To: <1226520487.7560.65.camel@lts-notebook> Message-ID: References: <1226409701-14831-3-git-send-email-ieidus@redhat.com> <20081111114555.eb808843.akpm@linux-foundation.org> <20081111210655.GG10818@random.random> <20081111221753.GK10818@random.random> <20081111231722.GR10818@random.random> <20081112022701.GT10818@random.random> <20081112173258.GX10818@random.random> <1226520487.7560.65.camel@lts-notebook> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Lee Schermerhorn Cc: Andrea Arcangeli , Andrew Morton , Izik Eidus , linux-kernel@vger.kernel.org, linux-mm@kvack.org, kvm@vger.kernel.org, chrisw@redhat.com, avi@redhat.com, izike@qumranet.com List-ID: On Wed, 12 Nov 2008, Lee Schermerhorn wrote: > Might want/need to check for migration entry in do_swap_page() and loop > back to migration_entry_wait() call when the changed pte is detected > rather than returning an error to the caller. > > Does that sound reasonable? The reference count freezing and the rechecking of the pte in do_swap_page() does not work? Nick broke it during lock removal for the lockless page cache? -- 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