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=-16.8 required=3.0 tests=BAYES_00, 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 13830C4338F for ; Mon, 26 Jul 2021 03:14:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E3FCC60243 for ; Mon, 26 Jul 2021 03:14:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231285AbhGZCds (ORCPT ); Sun, 25 Jul 2021 22:33:48 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:7059 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230272AbhGZCdq (ORCPT ); Sun, 25 Jul 2021 22:33:46 -0400 Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.57]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4GY4cj2FwhzYcmK; Mon, 26 Jul 2021 11:08:21 +0800 (CST) Received: from dggpemm500002.china.huawei.com (7.185.36.229) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Mon, 26 Jul 2021 11:14:14 +0800 Received: from localhost.localdomain (10.175.112.125) by dggpemm500002.china.huawei.com (7.185.36.229) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Mon, 26 Jul 2021 11:14:13 +0800 From: Chen Wandun To: , , , , CC: Chen Wandun Subject: [PATCH] mm/vmalloc: add missing __GFP_HIGHMEM flag for vmalloc Date: Mon, 26 Jul 2021 11:23:33 +0800 Message-ID: <20210726032333.3404164-1-chenwandun@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.112.125] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To dggpemm500002.china.huawei.com (7.185.36.229) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org struct page array can also be allocated in highmem during vmalloc, that will ease the low memory stress in 32bit system. Fixes: f255935b9767 ("mm: cleanup the gfp_mask handling in __vmalloc_area_node") Signed-off-by: Chen Wandun --- mm/vmalloc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 3824dc16ce1c..8d9b0b08a6dc 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -2885,7 +2885,8 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask, /* Please note that the recursion is strictly bounded. */ if (array_size > PAGE_SIZE) { - area->pages = __vmalloc_node(array_size, 1, nested_gfp, node, + area->pages = __vmalloc_node(array_size, 1, + nested_gfp | __GFP_HIGHMEM, node, area->caller); } else { area->pages = kmalloc_node(array_size, nested_gfp, node); -- 2.25.1