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=-12.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 42FB3C43465 for ; Fri, 18 Sep 2020 16:42:00 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id D13F32076B for ; Fri, 18 Sep 2020 16:41:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="Iq9tLT7s" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D13F32076B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 350096B0055; Fri, 18 Sep 2020 12:41:59 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 326036B005A; Fri, 18 Sep 2020 12:41:59 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 23B596B005C; Fri, 18 Sep 2020 12:41:59 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0173.hostedemail.com [216.40.44.173]) by kanga.kvack.org (Postfix) with ESMTP id 0ACB16B0055 for ; Fri, 18 Sep 2020 12:41:59 -0400 (EDT) Received: from smtpin22.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id C59F5180AD804 for ; Fri, 18 Sep 2020 16:41:58 +0000 (UTC) X-FDA: 77276749116.22.hole63_4a01d822712c Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin22.hostedemail.com (Postfix) with ESMTP id A094118038E60 for ; Fri, 18 Sep 2020 16:41:58 +0000 (UTC) X-HE-Tag: hole63_4a01d822712c X-Filterd-Recvd-Size: 2877 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf13.hostedemail.com (Postfix) with ESMTP for ; Fri, 18 Sep 2020 16:41:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=0M3Bwf+Fb1Uh7qm3wAuaVRN1o0EMdwv1eVJjgWvN6Uc=; b=Iq9tLT7sl2PJmy70EuMRI0ETk5 AxqfF3KpbrXnO3sdWxyMXtjg6vmzVCUPIgJp1PSBRrtnNOt3URpzFx9nyVuPRqWYeJnC17qyzs/z5 r2xIF0XeLnAmttZMZUlNGMV3+tk4fJ+I7T+qKlfm9t7OTQRBVkjJdVN57/aEvs1nMsevMyEWyxJcz 73GEsGdAPgxx8H2hE4bVixZ3yMqWygz6wjfxib8AEillkuqZu/7D5PDkAQKxqxmg5Xbz7aJVTkLaG 2HQQUGmzaqsYj6cL46N9t5baeaLoYffCnXjIDHDf+rnba1z93sjGeb1AZUoCKhiGuvlkKaiBP6c/G 9S1pG1bg==; Received: from 089144214092.atnat0023.highway.a1.net ([89.144.214.92] helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kJJSE-0007Ec-4t; Fri, 18 Sep 2020 16:41:46 +0000 From: Christoph Hellwig To: Andrew Morton Cc: Peter Zijlstra , Boris Ostrovsky , Juergen Gross , Stefano Stabellini , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Minchan Kim , Nitin Gupta , x86@kernel.org, xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-mm@kvack.org Subject: [PATCH 1/6] zsmalloc: switch from alloc_vm_area to get_vm_area Date: Fri, 18 Sep 2020 18:37:19 +0200 Message-Id: <20200918163724.2511-2-hch@lst.de> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200918163724.2511-1-hch@lst.de> References: <20200918163724.2511-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: There is no obvious reason why zsmalloc needs to pre-fault the PTEs given that it later uses map_kernel_range to just like vmap(). Signed-off-by: Christoph Hellwig --- mm/zsmalloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index c36fdff9a37131..3e4fe3259612fd 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -1122,7 +1122,7 @@ static inline int __zs_cpu_up(struct mapping_area *= area) */ if (area->vm) return 0; - area->vm =3D alloc_vm_area(PAGE_SIZE * 2, NULL); + area->vm =3D get_vm_area(PAGE_SIZE * 2, 0); if (!area->vm) return -ENOMEM; return 0; --=20 2.28.0