Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261563AbUDIRy4 (ORCPT ); Fri, 9 Apr 2004 13:54:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261528AbUDIRyz (ORCPT ); Fri, 9 Apr 2004 13:54:55 -0400 Received: from mtvcafw.sgi.com ([192.48.171.6]:24353 "EHLO omx3.sgi.com") by vger.kernel.org with ESMTP id S261563AbUDIRyv (ORCPT ); Fri, 9 Apr 2004 13:54:51 -0400 Date: Fri, 9 Apr 2004 10:53:49 -0700 From: Paul Jackson To: Denis Vlasenko Cc: colpatch@us.ibm.com, wli@holomorphy.com, linux-kernel@vger.kernel.org Subject: Re: [Patch 17/23] mask v2 = [6/7] nodemask_t_ia64_changes Message-Id: <20040409105349.6b40fe02.pj@sgi.com> In-Reply-To: <200404091054.24618.vda@port.imtp.ilyichevsk.odessa.ua> References: <20040401122802.23521599.pj@sgi.com> <20040406235000.6c06af9a.pj@sgi.com> <20040407004437.3a078f28.pj@sgi.com> <200404091054.24618.vda@port.imtp.ilyichevsk.odessa.ua> Organization: SGI X-Mailer: Sylpheed version 0.8.10claws (GTK+ 1.2.10; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 856 Lines: 23 > > It may well make sense for the O(1) scheduler to be inlining this. > > Why? I was thinking that perhaps this call was in a certain critical performance path of the O(1) scheduler. Turned out it wasn't - see further Nick Piggin's followups to this same thread. My latest bitmap/cpumask patch moves this out of line, for ia64. The other arch's that use this large find_next_bit() code might want to move it out too. -- I won't rest till it's the best ... Programmer, Linux Scalability Paul Jackson 1.650.933.1373 - 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/