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=-9.8 required=3.0 tests=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 B94E1C35670 for ; Fri, 21 Feb 2020 21:53:57 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 7A54424672 for ; Fri, 21 Feb 2020 21:53:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7A54424672 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=surriel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 26F306B0006; Fri, 21 Feb 2020 16:53:56 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 1F8DE6B0007; Fri, 21 Feb 2020 16:53:56 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0991F6B0008; Fri, 21 Feb 2020 16:53:56 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0077.hostedemail.com [216.40.44.77]) by kanga.kvack.org (Postfix) with ESMTP id E5C2C6B0007 for ; Fri, 21 Feb 2020 16:53:55 -0500 (EST) Received: from smtpin10.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 8B7234FE6 for ; Fri, 21 Feb 2020 21:53:55 +0000 (UTC) X-FDA: 76515487230.10.salt90_5228f8724e33 X-HE-Tag: salt90_5228f8724e33 X-Filterd-Recvd-Size: 2320 Received: from shelob.surriel.com (shelob.surriel.com [96.67.55.147]) by imf37.hostedemail.com (Postfix) with ESMTP for ; Fri, 21 Feb 2020 21:53:55 +0000 (UTC) Received: from imladris.surriel.com ([96.67.55.152]) by shelob.surriel.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.92.3) (envelope-from ) id 1j5GF1-0002PL-Ny; Fri, 21 Feb 2020 16:53:47 -0500 From: Rik van Riel To: linux-kernel@vger.kernel.org, riel@fb.com Cc: kernel-team@fb.com, akpm@linux-foundation.org, linux-mm@kvack.org, mhocko@kernel.org, vbabka@suse.cz, mgorman@techsingularity.net, rientjes@google.com, aarcange@redhat.com, Rik van Riel Subject: [PATCH 1/2] mm,compaction,cma: add alloc_contig flag to compact_control Date: Fri, 21 Feb 2020 16:53:42 -0500 Message-Id: X-Mailer: git-send-email 2.24.1 In-Reply-To: References: MIME-Version: 1.0 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: Add information to struct compact_control to indicate that the allocator would really like to clear out this specific part of memory, used by for example CMA. Signed-off-by: Rik van Riel --- mm/internal.h | 1 + mm/page_alloc.c | 1 + 2 files changed, 2 insertions(+) diff --git a/mm/internal.h b/mm/internal.h index 3cf20ab3ca01..78492d9815b4 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -206,6 +206,7 @@ struct compact_control { bool whole_zone; /* Whole zone should/has been scanned */ bool contended; /* Signal lock or sched contention */ bool rescan; /* Rescanning the same pageblock */ + bool alloc_contig; /* alloc_contig_range allocation */ }; =20 /* diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 3c4eb750a199..a36736812596 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -8402,6 +8402,7 @@ int alloc_contig_range(unsigned long start, unsigne= d long end, .ignore_skip_hint =3D true, .no_set_skip_hint =3D true, .gfp_mask =3D current_gfp_context(gfp_mask), + .alloc_contig =3D true, }; INIT_LIST_HEAD(&cc.migratepages); =20 --=20 2.24.1