From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-5.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham autolearn_force=no version=3.4.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id F1EFF7D048 for ; Fri, 18 May 2018 04:42:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751184AbeEREmR (ORCPT ); Fri, 18 May 2018 00:42:17 -0400 Received: from ext-host0001.ascade.co.jp ([218.224.228.194]:61330 "EHLO ns.ascade.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750959AbeEREmQ (ORCPT ); Fri, 18 May 2018 00:42:16 -0400 Received: from server0001.ascade.co.jp (server0001.ascade.co.jp [10.1.1.63]) by ns.ascade.co.jp (Postfix) with ESMTP id DA91B993D0; Fri, 18 May 2018 13:32:47 +0900 (JST) Received: from [IPv6:::1] (server0001.ascade.co.jp [10.1.1.63]) by server0001.ascade.co.jp (Postfix) with ESMTP id 8F36A1004E1; Fri, 18 May 2018 13:32:46 +0900 (JST) Subject: [PATCH v2 2/7] hugetlb: support migrate charging for surplus hugepages To: Johannes Weiner , Michal Hocko , Vladimir Davydov , Jonathan Corbet , "Luis R. Rodriguez" , Kees Cook Cc: Andrew Morton , Roman Gushchin , David Rientjes , Mike Kravetz , "Aneesh Kumar K.V" , Naoya Horiguchi , Anshuman Khandual , Marc-Andre Lureau , Punit Agrawal , Dan Williams , Vlastimil Babka , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, cgroups@vger.kernel.org, tsukada@ascade.co.jp References: From: TSUKADA Koutaro Message-ID: <48877585-85de-ad4b-6b35-8e6dd24a43c0@ascade.co.jp> Date: Fri, 18 May 2018 13:32:41 +0900 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org Surplus hugepages allocated for migration also charge to memory cgroup. Signed-off-by: TSUKADA Koutaro --- hugetlb.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 679c151f..2e7b543 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -1687,6 +1687,8 @@ static struct page *alloc_migrate_huge_page(struct hstate *h, gfp_t gfp_mask, if (!page) return NULL; + surplus_hugepage_set_charge(h, page); + /* * We do not account these pages as surplus because they are only * temporary and will be released properly on the last reference -- Tsukada -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html