Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762907AbZC0FP7 (ORCPT ); Fri, 27 Mar 2009 01:15:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752149AbZC0FPt (ORCPT ); Fri, 27 Mar 2009 01:15:49 -0400 Received: from kuber.nabble.com ([216.139.236.158]:49538 "EHLO kuber.nabble.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751118AbZC0FPs (ORCPT ); Fri, 27 Mar 2009 01:15:48 -0400 Message-ID: <22736146.post@talk.nabble.com> Date: Thu, 26 Mar 2009 22:15:46 -0700 (PDT) From: sidc7 To: linux-kernel@vger.kernel.org Subject: Copy-on-write MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Nabble-From: siddhartha.chhabra@gmail.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 630 Lines: 16 When the kernel does a COW, say from a "src" to a "dest" page, does it need to map the "src" and "dest" page to its address space or the kernel can directly initiate the read from "src" and write to "dest" page ? Thanks, SC -- View this message in context: http://www.nabble.com/Copy-on-write-tp22736146p22736146.html Sent from the linux-kernel mailing list archive at Nabble.com. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/