Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758189Ab0DPLkw (ORCPT ); Fri, 16 Apr 2010 07:40:52 -0400 Received: from one.firstfloor.org ([213.235.205.2]:39918 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756720Ab0DPLkv (ORCPT ); Fri, 16 Apr 2010 07:40:51 -0400 To: Andrew Morton Cc: Taras Glek , linux-kernel@vger.kernel.org Subject: Re: Downsides to madvise/fadvise(willneed) for application startup From: Andi Kleen References: <4BBA6776.5060804@mozilla.com> <20100415155309.2649a29b.akpm@linux-foundation.org> Date: Fri, 16 Apr 2010 13:40:44 +0200 In-Reply-To: <20100415155309.2649a29b.akpm@linux-foundation.org> (Andrew Morton's message of "Thu, 15 Apr 2010 15:53:09 -0700") Message-ID: <87zl138w1v.fsf@basil.nowhere.org> User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/22.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 759 Lines: 21 Andrew Morton writes: > > Yes, the linker scrambles the executable's block ordering. > > This just isn't an interesting case. World-wide, the number of people > who compile their own web browser and execute it from the file which ld > produced is, umm, seven. My understanding was that this is usually gone when you use a delayed allocation fs (xfs, ext4), unless your link sequence takes much longer than the flush window. -Andi -- ak@linux.intel.com -- Speaking for myself only. -- 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/