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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,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 62FAEC64E7C for ; Wed, 2 Dec 2020 05:24:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0CCAA20872 for ; Wed, 2 Dec 2020 05:24:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728547AbgLBFYU (ORCPT ); Wed, 2 Dec 2020 00:24:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43206 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726803AbgLBFYT (ORCPT ); Wed, 2 Dec 2020 00:24:19 -0500 Received: from mail-il1-x142.google.com (mail-il1-x142.google.com [IPv6:2607:f8b0:4864:20::142]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 16B4EC0617A6 for ; Tue, 1 Dec 2020 21:23:39 -0800 (PST) Received: by mail-il1-x142.google.com with SMTP id f5so434222ilj.9 for ; Tue, 01 Dec 2020 21:23:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=soleen.com; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=CpKoGHvxtKgwzmlV3ZPMeHJLr+EFBiNKpVwHZEuJXQ0=; b=mXaAEbMD2mJMb6+nQYBLdGk8VJKAskLxfLQhyPDM8oSqX6bfHvGVqReAC/ngwpbpm5 ICrQx0+ZhlDZLwTh8Fz4/e7TSkX9V+VBNYiUIw+0iSFrQny6wAwoHHAcLipd8g+J4lT/ 2435aDyExhY+A1YuhwxNhEWGa5qAHJiDrXM0PPEJ8dFShwp3QFl5he719duEUpTknuKS lsaZ3STSSMp791cizh8wk2tSbRcS3Q2GLYsY6j+9yVtw2QlRdmr776c1+nwQC8QOflJ6 9lLq/b4V4fzMJ3fZgfOENONWF9D1c5ysv46vjbO6r01+k55btqfrT4W5V0nltTqqDTIK v+xA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=CpKoGHvxtKgwzmlV3ZPMeHJLr+EFBiNKpVwHZEuJXQ0=; b=aoA0RNenMyVt2JaXBCxZo9uJNkfINXpkWB2N0J8c5xmIB11rgGlc8So9/CFHupcDKj 5XUqE0mzK706FZCO/7nVBxs+3LrU6Gpif8a9CYZMjzQJJC/rDRRHt6GVryHc9kBqFiR+ ucxoUazu8x0oT16+lGAxlSKQve/mgH/iA9xDtEocXatqI/7f/WFzbFY1PWj1hJscbRkF kKqqti3AYvNjEzDreatJ1qtde27OoMIH8i4T95U9zkJFy2lnhZswNBGHyYRGry4yHuXX cLGZ4D+iwUCUu1zkNzXRjeXzNb7UTy0y6qtPMivrQYde23KB3V5jB3uu77iYul4zubKL bL/w== X-Gm-Message-State: AOAM530bP8pJdJpthSapT14i+7BLhT8HNvIXcJS3VgOqDx712jwcvISX 20DVXzO3jdrTXBCN1KwhwEyXhg== X-Google-Smtp-Source: ABdhPJz3xU6WUFCEx3XYhA8SLFw5JFA/5ztJvoX+p2Xi3reK3z9aXuJQcQDf3c5HDzC/jXnwJPc6uA== X-Received: by 2002:a05:6e02:1948:: with SMTP id x8mr941650ilu.225.1606886618551; Tue, 01 Dec 2020 21:23:38 -0800 (PST) Received: from localhost.localdomain (c-73-69-118-222.hsd1.nh.comcast.net. [73.69.118.222]) by smtp.gmail.com with ESMTPSA id m19sm295938ila.81.2020.12.01.21.23.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Dec 2020 21:23:37 -0800 (PST) From: Pavel Tatashin To: pasha.tatashin@soleen.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org, vbabka@suse.cz, mhocko@suse.com, david@redhat.com, osalvador@suse.de, dan.j.williams@intel.com, sashal@kernel.org, tyhicks@linux.microsoft.com, iamjoonsoo.kim@lge.com, mike.kravetz@oracle.com, rostedt@goodmis.org, mingo@redhat.com, jgg@ziepe.ca, peterz@infradead.org, mgorman@suse.de, willy@infradead.org, rientjes@google.com, jhubbard@nvidia.com Subject: [PATCH 2/6] mm/gup: don't pin migrated cma pages in movable zone Date: Wed, 2 Dec 2020 00:23:26 -0500 Message-Id: <20201202052330.474592-3-pasha.tatashin@soleen.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201202052330.474592-1-pasha.tatashin@soleen.com> References: <20201202052330.474592-1-pasha.tatashin@soleen.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In order not to fragment CMA the pinned pages are migrated. However, they are migrated to ZONE_MOVABLE, which also should not have pinned pages. Remove __GFP_MOVABLE, so pages can be migrated to zones where pinning is allowed. Signed-off-by: Pavel Tatashin --- mm/gup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/gup.c b/mm/gup.c index cdb8b9eeb016..3a76c005a3e2 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -1610,7 +1610,7 @@ static long check_and_migrate_cma_pages(struct mm_struct *mm, long ret = nr_pages; struct migration_target_control mtc = { .nid = NUMA_NO_NODE, - .gfp_mask = GFP_USER | __GFP_MOVABLE | __GFP_NOWARN, + .gfp_mask = GFP_USER | __GFP_NOWARN, }; check_again: -- 2.25.1