Received: by 2002:a05:6358:45e:b0:b5:b6eb:e1f9 with SMTP id 30csp51517rwe; Wed, 31 Aug 2022 16:14:03 -0700 (PDT) X-Google-Smtp-Source: AA6agR4ESkpOKKgG+68UES4ave75IUi3yPUfpQxsX475nRhB1m/CE1rVO+Yyy5tksGGCSx/dc7Gs X-Received: by 2002:a17:90b:3b8a:b0:1f5:1df2:1fff with SMTP id pc10-20020a17090b3b8a00b001f51df21fffmr5617527pjb.169.1661987642885; Wed, 31 Aug 2022 16:14:02 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1661987642; cv=none; d=google.com; s=arc-20160816; b=hkk9NXnrSjTq+0oq21beqW1q+323+XenNp9ejf/3CL5DIZcDyZtunKlasO+hPN3ywU GF59hhxEs4Cz2fHGRIp6WLQRMaRbMDyfkVbqkBPRFoSV0snK7gcu24DgdGSneqcdi2IH MHCd3U/xgEwH+pm2LM//EMUPWsTb1eRYUa92Q+C1ZcX3jK4w4/Q9UD0t0kgncP6T04HJ MUdg521J0fSY/0BqhCQR9f9VP4ZjnTsS9mcZkJ/wBpV7N/pnKFW4Q8JpKK/AMssQkjyX SWn/Jgmx6ACkKWazaGIhekCREUJaLGLJaR5p8z/8kmtao+iv3B+IzHsqy3UxgGzgNiA8 uQmg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date :dkim-signature; bh=ks+RVCe6hWc5ALQwoQXk7fUY7ACu8b2INLz/utrbZNY=; b=NhnqBwsjY6aVypc7L7VdLtBoqMVurFgYwf8E6PmHWbUTt6vRQO9enB723U2GaggaT9 IXwVzbeZHbQOk7v3yBzxITwlL+5DnNI7/XMp6i8sqCnAY9RExtXrWSRAOtWQA/vmyvKq tR/eixyyW7OZV8zS41+Yk5HJWzpVclCRRmiDvi1EMpMMv20JHcH6ykoS0bfINqY1KCT5 MGh2EOBlQ2mMYN2ExZywcZNKBudwtiHQdZZ2MTvp0Bu4PNLHEpJGvDk060iIBBwIXi+J tJlGOhmzryX8h/ICNgbKzBU6L2v0Bc7ncGeU43jEPN0TRROiXSuVB4G0ZR4w8c7zdsHf n2MA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linux-foundation.org header.s=korg header.b=f6wJv49e; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id bt19-20020a056a00439300b0053a9fee3b22si3741675pfb.178.2022.08.31.16.13.51; Wed, 31 Aug 2022 16:14:02 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linux-foundation.org header.s=korg header.b=f6wJv49e; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229459AbiHaXBT (ORCPT + 99 others); Wed, 31 Aug 2022 19:01:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47426 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231310AbiHaXBQ (ORCPT ); Wed, 31 Aug 2022 19:01:16 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9E9D3A830B for ; Wed, 31 Aug 2022 16:01:13 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id EE37B619EE for ; Wed, 31 Aug 2022 23:01:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 19173C433D6; Wed, 31 Aug 2022 23:01:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1661986872; bh=ks+RVCe6hWc5ALQwoQXk7fUY7ACu8b2INLz/utrbZNY=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=f6wJv49ehWwFIkdWlmO7ofASHqErMeZXuPyI2Tpdhslrk8aEBCIwzyG90WMCuiuDm 2u5L9BY0hBEsidPGq9Sr9F3qGk0Cqte6x/oNyPcmA3VRB7zBAi8zKKyCpRWnsK/kMT lcF3XrNbUjydOdLiIsgHXftmeT0VcQuCq9K+5E7c= Date: Wed, 31 Aug 2022 16:01:11 -0700 From: Andrew Morton To: Song Liu Cc: , , , Uladzislau Rezki , Baoquan He Subject: Re: [PATCH] mm/vmalloc: Extend find_vmap_lowest_match_check with extra arguments Message-Id: <20220831160111.a6e7d17785ca21ce7c43981c@linux-foundation.org> In-Reply-To: <20220831052734.3423079-1-song@kernel.org> References: <20220831052734.3423079-1-song@kernel.org> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 30 Aug 2022 22:27:34 -0700 Song Liu wrote: > find_vmap_lowest_match() is now able to handle different roots. Make > similar changes to find_vmap_lowest_match_check() and > find_vmap_lowest_linear_match() to handle different trees. What are the runtime effects of this change?