From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4A19EC3A5A2 for ; Sat, 24 Aug 2019 01:16:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 120E621848 for ; Sat, 24 Aug 2019 01:16:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726339AbfHXBQl (ORCPT ); Fri, 23 Aug 2019 21:16:41 -0400 Received: from shelob.surriel.com ([96.67.55.147]:47894 "EHLO shelob.surriel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725782AbfHXBQk (ORCPT ); Fri, 23 Aug 2019 21:16:40 -0400 Received: from imladris.surriel.com ([96.67.55.152]) by shelob.surriel.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.92) (envelope-from ) id 1i1KfP-0006eX-Nu; Fri, 23 Aug 2019 21:16:31 -0400 Message-ID: Subject: Re: [PATCH 11/15] sched,fair: flatten hierarchical runqueues From: Rik van Riel To: Dietmar Eggemann , linux-kernel@vger.kernel.org Cc: kernel-team@fb.com, pjt@google.com, peterz@infradead.org, mingo@redhat.com, morten.rasmussen@arm.com, tglx@linutronix.de, mgorman@techsingularity.net, vincent.guittot@linaro.org Date: Fri, 23 Aug 2019 21:16:31 -0400 In-Reply-To: <967114b2-15a7-b445-3133-074732b20e34@arm.com> References: <20190822021740.15554-1-riel@surriel.com> <20190822021740.15554-12-riel@surriel.com> <967114b2-15a7-b445-3133-074732b20e34@arm.com> Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-w1bMIaOqu9g87QXE4qNV" User-Agent: Evolution 3.30.5 (3.30.5-1.fc29) MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-w1bMIaOqu9g87QXE4qNV Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, 2019-08-23 at 20:14 +0200, Dietmar Eggemann wrote: >=20 > Looks like with the se->depth related code gone here in > pick_next_task_fair() and the call to find_matching_se() in > check_preempt_wakeup() you could remove se->depth entirely. >=20 > [...] I've just done that in a separate patch in my series, in case we need it again. If we don't, diffstat tells us we're getting this: include/linux/sched.h | 1 - kernel/sched/fair.c | 50 ++----------------------------------------- ------- 2 files changed, 2 insertions(+), 49 deletions(-) Thank you! --=20 All Rights Reversed. --=-w1bMIaOqu9g87QXE4qNV Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEKR73pCCtJ5Xj3yADznnekoTE3oMFAl1gj+8ACgkQznnekoTE 3oPqngf9GYkPsqw0Zwi+zHirHX0hPKIimI2a8Cu7cmRcVDogGxwuQgke/AomGZcR 52hcdThUNcC64eazKkFS5cPElhRx3S/8NFcDrtRj/rnY+pGmAlq8diHzRWmuzMio pn/Wct1eeNTT9X1uSAuvno7YK/nRcZtz7skRZ2D/N4JKUbV6Chv560vySaxQJ4Ue Eoa7B91YrzoC2nbLVe01zc+XhWlAjsVQl2s2OymB5ZQ/OCj+S+SCitFL75b6QVXn VBMFFSVEZ7FJxVsobAG+IYkEGcxfTtpFBHxyp+s+6MPLr1nCOzn1faF0SEd5L+BJ Slj0ePzrCqiTswG8tmoFO8xGBTC4aw== =gT+/ -----END PGP SIGNATURE----- --=-w1bMIaOqu9g87QXE4qNV--