From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4919F7EE.3070501@redhat.com> Date: Tue, 11 Nov 2008 23:23:58 +0200 From: Izik Eidus MIME-Version: 1.0 Subject: Re: [PATCH 2/4] Add replace_page(), change the mapping of pte from one page into another References: <1226409701-14831-1-git-send-email-ieidus@redhat.com> <1226409701-14831-2-git-send-email-ieidus@redhat.com> <1226409701-14831-3-git-send-email-ieidus@redhat.com> <20081111114555.eb808843.akpm@linux-foundation.org> <4919F1C0.2050009@redhat.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Christoph Lameter Cc: Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org, kvm@vger.kernel.org, aarcange@redhat.com, chrisw@redhat.com, avi@redhat.com, izike@qumranet.com List-ID: Christoph Lameter wrote: >> page migration as far as i saw cant migrate anonymous page into kernel page. >> if you want we can change page_migration to do that, but i thought you will >> rather have ksm changes separate. >> > > What do you mean by kernel page? The kernel can allocate a page and then > point a user space pte to it. That is how page migration works. > i mean filebacked page (!AnonPage()) ksm need the pte inside the vma to point from anonymous page into filebacked page can migrate.c do it without changes? -- 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