Received: by 2002:a05:6a10:f347:0:0:0:0 with SMTP id d7csp3268965pxu; Tue, 15 Dec 2020 02:56:02 -0800 (PST) X-Google-Smtp-Source: ABdhPJyp0/J8wEzwJVnRoIboCm5/4iRYQ5xK9ZhobRD0xl2hyaGGKYJroV7cJjsIII/2oRXA2ffu X-Received: by 2002:a17:906:6713:: with SMTP id a19mr27147440ejp.468.1608029761991; Tue, 15 Dec 2020 02:56:01 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1608029761; cv=none; d=google.com; s=arc-20160816; b=OUQ6EQAz5bkKis+dovWrMsPsaTZLn9E8WgcMdPPuo9lqLdJl3KxTP0+pbAH9bdCClw L8lLnHS7Rm5uxHXSZa09tVuehOQvOjfBydpkZ2A0d14Lvvj0AQW/EOgaujg7bxeU6uQ3 /scGLMHpCwszepVOrepoPN55BK8old4j3kDsx5qiqXMdAoYEZsoIuyh86tE08nfmY1T9 XchMFTleURKgGHS6/F1x3Z/b0m3N7r53GCYDWrzMtSABzSBjo0Q+sle14XwKastnj0JA gavVZGVJ8FIm1LCidZfX8YMeVtWGA6wdj0vm76XytGpCj76V8xv13UY/gsM3dTvJco0N +d2w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:date:message-id:subject:references:in-reply-to :cc:to:from; bh=2HJhfOyfgqswuMl9gyEKhCCDE9V+lM+jpHtbROwZLqs=; b=lfqL1lffvZIThNfj0lwaPkAisH98PDMzzDkvOD3UmYiZmDfmfk6f0t0ZILnyTXJkT8 lnDvNdZjVukp0LaHNRnMFsub1b//Is5C92Vsgly0rPG0lOmrsV2aI6hpWZPfiflrQuLL 3sWjNcG4wq4ggr9wNoGGRvS1vWydoygfRf3+FDnt7OkVyU0WQ+lzq881WQYDD7Vi7xOi pSEQLlTOPkS2MbdkeYGTolyvaKvTjnIGnjgQOz0sp4ZJhzUu3vpaSq7anGuH6ZMbj2r9 GTZyCiOhRyTTsyjFV9H3JcmZSn/Bg7ZnagFosJizfKg1cJd/YFna+lBzGdUVI3g+gDhD SbWA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id hs23si576492ejc.143.2020.12.15.02.55.39; Tue, 15 Dec 2020 02:56:01 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728234AbgLOKu7 (ORCPT + 99 others); Tue, 15 Dec 2020 05:50:59 -0500 Received: from bilbo.ozlabs.org ([203.11.71.1]:53443 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727075AbgLOKti (ORCPT ); Tue, 15 Dec 2020 05:49:38 -0500 Received: by ozlabs.org (Postfix, from userid 1034) id 4CwFP43BnXz9sTX; Tue, 15 Dec 2020 21:48:56 +1100 (AEDT) From: Michael Ellerman To: Christophe Leroy , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org In-Reply-To: <16a571bb32eb6e8cd44bda484c8d81cd8a25e6d7.1604668827.git.christophe.leroy@csgroup.eu> References: <16a571bb32eb6e8cd44bda484c8d81cd8a25e6d7.1604668827.git.christophe.leroy@csgroup.eu> Subject: Re: [PATCH] powerpc/mm: Refactor the floor/ceiling check in hugetlb range freeing functions Message-Id: <160802920981.504444.16317809091263529138.b4-ty@ellerman.id.au> Date: Tue, 15 Dec 2020 21:48:56 +1100 (AEDT) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 6 Nov 2020 13:20:54 +0000 (UTC), Christophe Leroy wrote: > All hugetlb range freeing functions have a verification like the following, > which only differs by the mask used, depending on the page table level. > > start &= MASK; > if (start < floor) > return; > if (ceiling) { > ceiling &= MASK; > if (! ceiling) > return; > } > if (end - 1 > ceiling - 1) > return; > > [...] Applied to powerpc/next. [1/1] powerpc/mm: Refactor the floor/ceiling check in hugetlb range freeing functions https://git.kernel.org/powerpc/c/7bfe54b5f16561bb703de6482f880614ada8dbf2 cheers