From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756300Ab0JIPx7 (ORCPT ); Sat, 9 Oct 2010 11:53:59 -0400 Received: from bombadil.infradead.org ([18.85.46.34]:46599 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754547Ab0JIPx6 convert rfc822-to-8bit (ORCPT ); Sat, 9 Oct 2010 11:53:58 -0400 Subject: Re: [PATCH] sched: SCHED_RESET_ON_FORK to recalculate load weights From: Peter Zijlstra To: Linus Walleij Cc: Ingo Molnar , linux-kernel@vger.kernel.org, Lennart Poettering , stable@kernel.org In-Reply-To: <1286612169-27529-1-git-send-email-linus.walleij@stericsson.com> References: <1286612169-27529-1-git-send-email-linus.walleij@stericsson.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Date: Sat, 09 Oct 2010 17:53:46 +0200 Message-ID: <1286639626.1891.0.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 2010-10-09 at 10:16 +0200, Linus Walleij wrote: > > So we always need to call set_load_weight(), not just if the > niceval was changed, because the scheduler gives > SCHED_RR/SCHED_FIFO processes very high weights. SCHED_RR/FIFO never uses that weight, we should remove all that cruft..