From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754297Ab1LUXuR (ORCPT ); Wed, 21 Dec 2011 18:50:17 -0500 Received: from mail-out.m-online.net ([212.18.0.9]:60210 "EHLO mail-out.m-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753017Ab1LUXuO (ORCPT ); Wed, 21 Dec 2011 18:50:14 -0500 X-Auth-Info: /fO22fU+x1jNAIt2OY5WDA5wwgtXGJ1f+cWiDSBmDXU= From: Andreas Schwab To: Andrew Morton Cc: Michal Hocko , Arnd Bergmann , linux-kernel@vger.kernel.org, "Artem S. Tashkinov" , Dave Jones , Alexey Dobriyan , Thomas Gleixner , Martin Schwidefsky Subject: Re: [resend PATCH for 3.2] procfs: do not confuse jiffies with cputime64_t References: <201112120922.13633.arnd@arndb.de> <20111212124333.GC14720@tiehlicka.suse.cz> <20111212131218.GD14720@tiehlicka.suse.cz> <20111221100334.GD27137@tiehlicka.suse.cz> <20111221115919.6beac46f.akpm@linux-foundation.org> X-Yow: My EARS are GONE!! Date: Thu, 22 Dec 2011 00:50:06 +0100 In-Reply-To: <20111221115919.6beac46f.akpm@linux-foundation.org> (Andrew Morton's message of "Wed, 21 Dec 2011 11:59:19 -0800") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.92 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Andrew Morton writes: > From: Andreas Schwab > Subject: procfs: do not confuse jiffies with cputime64_t > > get_{idle,iowait}_time are supposed to return cputime64_t values, not > jiffies. Add usecs_to_cputime64 for this. For most architectures (which use the asm-generic/cputime.h) jiffies use the same unit as cputime64_t values, but ia64, powerpc and s390 make them different. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."