From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail202.messagelabs.com (mail202.messagelabs.com [216.82.254.227]) by kanga.kvack.org (Postfix) with ESMTP id 2ED4C6B00FE for ; Sat, 30 May 2009 19:14:50 -0400 (EDT) Date: Sun, 31 May 2009 00:15:48 +0100 From: Alan Cox Subject: Re: [patch 0/5] Support for sanitization flag in low-level page allocator Message-ID: <20090531001548.571d7b59@lxorguk.ukuu.org.uk> In-Reply-To: <20090530221024.GA23204@elte.hu> References: <84144f020905300035g1d5461f9n9863d4dcdb6adac0@mail.gmail.com> <20090530075033.GL29711@oblivion.subreption.com> <4A20E601.9070405@cs.helsinki.fi> <20090530082048.GM29711@oblivion.subreption.com> <20090530173428.GA20013@elte.hu> <20090530180333.GH6535@oblivion.subreption.com> <20090530182113.GA25237@elte.hu> <20090530184534.GJ6535@oblivion.subreption.com> <20090530190828.GA31199@elte.hu> <4A21999E.5050606@redhat.com> <20090530221024.GA23204@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Ingo Molnar Cc: Rik van Riel , "Larry H." , Pekka Enberg , linux-kernel@vger.kernel.org, Linus Torvalds , linux-mm@kvack.org, Ingo Molnar , pageexec@freemail.hu, Linus Torvalds List-ID: > Obviously the argument is best settled by measurements. Done by > whoever wants to push this code. How do you measure security as a mathematical quantity in a benchtest ? In terms of performance its pretty easy to stick a counter in kzfree in 2.6.30-rc. The number that comes up is very very low. Alan -- 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