Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S269119AbUINCeT (ORCPT ); Mon, 13 Sep 2004 22:34:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S269130AbUINCdE (ORCPT ); Mon, 13 Sep 2004 22:33:04 -0400 Received: from holomorphy.com ([207.189.100.168]:10896 "EHLO holomorphy.com") by vger.kernel.org with ESMTP id S269142AbUINCbR (ORCPT ); Mon, 13 Sep 2004 22:31:17 -0400 Date: Mon, 13 Sep 2004 19:31:14 -0700 From: William Lee Irwin III To: Andrew Morton Cc: linux-kernel@vger.kernel.org, Albert Cahalan Subject: [pidhashing] [2/3] lower PID_MAX_LIMIT for 32-bit machines Message-ID: <20040914023114.GQ9106@holomorphy.com> References: <20040913015003.5406abae.akpm@osdl.org> <20040914022530.GO9106@holomorphy.com> <20040914022827.GP9106@holomorphy.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040914022827.GP9106@holomorphy.com> Organization: The Domain of Holomorphy User-Agent: Mutt/1.5.6+20040722i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1114 Lines: 26 On Mon, Sep 13, 2004 at 07:28:27PM -0700, William Lee Irwin III wrote: > I was informed that the vendor component of the copyright can't be > clobbered without more care, so this patch retains the older vendor, > updating it only to reflect the appropriate time period. /proc/ breaks when PID_MAX_LIMIT is elevated on 32-bit, so this patch lowers it there. Compiletested on x86-64. Index: mm5-2.6.9-rc1/include/linux/threads.h =================================================================== --- mm5-2.6.9-rc1.orig/include/linux/threads.h 2004-08-13 22:36:12.000000000 -0700 +++ mm5-2.6.9-rc1/include/linux/threads.h 2004-09-13 16:28:38.791798576 -0700 @@ -30,6 +30,6 @@ /* * A maximum of 4 million PIDs should be enough for a while: */ -#define PID_MAX_LIMIT (4*1024*1024) +#define PID_MAX_LIMIT (sizeof(long) > 32 ? 4*1024*1024 : PID_MAX_DEFAULT) #endif - 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/