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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7AEE0ECAAD4 for ; Wed, 31 Aug 2022 23:01:17 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 5B95A6B0072; Wed, 31 Aug 2022 19:01:16 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 568B96B0073; Wed, 31 Aug 2022 19:01:16 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 430BC6B0074; Wed, 31 Aug 2022 19:01:16 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id 357EC6B0072 for ; Wed, 31 Aug 2022 19:01:16 -0400 (EDT) Received: from smtpin14.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 0487EC01C3 for ; Wed, 31 Aug 2022 23:01:15 +0000 (UTC) X-FDA: 79861410552.14.D08933E Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by imf20.hostedemail.com (Postfix) with ESMTP id 95C021C005D for ; Wed, 31 Aug 2022 23:01:15 +0000 (UTC) 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 ams.source.kernel.org (Postfix) with ESMTPS id 91B54B8235E; Wed, 31 Aug 2022 23:01:13 +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 ARC-Authentication-Results: i=1; imf20.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=f6wJv49e; spf=pass (imf20.hostedemail.com: domain of akpm@linux-foundation.org designates 145.40.68.75 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1661986875; a=rsa-sha256; cv=none; b=aTAsSI9m9qX6GtXc6pU7ukMFm6yaZCos+BmOTjZvI4Lq9GtECXsGFYY0VZOPXuzX4hOroI TjQlqd5KoYd4ggg/ZL5xb+xnX4b3Dpxl0fCPsNLGxBq/Svxp+TB1IQGqe8c0uO2fohG3hi 5h/F/47uf04GiQeAgfevWhu8rTpz6wQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1661986875; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=ks+RVCe6hWc5ALQwoQXk7fUY7ACu8b2INLz/utrbZNY=; b=Go5AnQQ3TnBH3R6ju3AzwKOJwcwtWTebZudp/FgaeAtYxu/IfZbxSDDzVi6scGwEnkoY/+ yh0Jg7NF5wObtH/R+J/7fwb4/b0d6ybbeDdyAKrPHqJFL70HhnyF970r8dLz2Rj/86+rCs Fc8XLY0GwYMrkMJLkFwZbWxYsoK371w= Authentication-Results: imf20.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=f6wJv49e; spf=pass (imf20.hostedemail.com: domain of akpm@linux-foundation.org designates 145.40.68.75 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none X-Rspam-User: X-Stat-Signature: ptrcjnq7hcuht5zwydkytzeg9cfsgkkh X-Rspamd-Queue-Id: 95C021C005D X-Rspamd-Server: rspam09 X-HE-Tag: 1661986875-442876 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000015, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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?