Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S940820AbYCTAgp (ORCPT ); Wed, 19 Mar 2008 20:36:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S966072AbYCTAJX (ORCPT ); Wed, 19 Mar 2008 20:09:23 -0400 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:57840 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S966063AbYCTAJV (ORCPT ); Wed, 19 Mar 2008 20:09:21 -0400 Date: Wed, 19 Mar 2008 17:09:37 -0700 (PDT) Message-Id: <20080319.170937.247919863.davem@davemloft.net> To: akpm@linux-foundation.org Cc: drepper@gmail.com, andi@firstfloor.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH prototype] [0/8] Predictive bitmaps for ELF executables From: David Miller In-Reply-To: <20080319161211.2df88adc.akpm@linux-foundation.org> References: <20080319020440.80379d50.akpm@linux-foundation.org> <20080319161211.2df88adc.akpm@linux-foundation.org> X-Mailer: Mew version 5.2 on Emacs 22.1 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 673 Lines: 18 From: Andrew Morton Date: Wed, 19 Mar 2008 16:12:11 -0700 > I did some work on that many years ago and I do recall that it > helped, but I forget how much. I wrote such a patch ages ago as well. Frankly, based upon my experiences then and what I know now, I think it's a lose to do this. Better to 1) have enough ram and 2) make the reclaim smarter about important "executable" page cache pages. -- 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/