From patchwork Fri Feb 21 21:53:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rik van Riel X-Patchwork-Id: 11397601 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AB20413A4 for ; Fri, 21 Feb 2020 21:53:58 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 81E362073A for ; Fri, 21 Feb 2020 21:53:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 81E362073A 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) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 1F8DE6B0007; Fri, 21 Feb 2020 16:53:56 -0500 (EST) X-Original-To: int-list-linux-mm@kvack.org 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-Original-To: linux-mm@kvack.org 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-Spam-Summary: 2,0,0,a5b69b6af8ce080a,d41d8cd98f00b204,riel@shelob.surriel.com,,RULES_HIT:41:355:379:541:800:960:973:988:989:1260:1311:1314:1345:1359:1437:1515:1534:1541:1711:1730:1747:1777:1792:2393:2559:2562:2892:3138:3139:3140:3141:3142:3352:3865:3866:3867:3874:4321:5007:6261:7903:10004:11026:11473:11658:11914:12043:12296:12297:12517:12519:12555:12895:12986:13069:13311:13357:13894:14096:14181:14384:14394:14721:21080:21433:21611:21627:30054:30075,0,RBL:96.67.55.147:@shelob.surriel.com:.lbl8.mailshell.net-64.201.201.201 62.14.0.100,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:25,LUA_SUMMARY:none 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 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 Reviewed-by: Vlastimil Babka --- 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 */ }; /* 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, unsigned long end, .ignore_skip_hint = true, .no_set_skip_hint = true, .gfp_mask = current_gfp_context(gfp_mask), + .alloc_contig = true, }; INIT_LIST_HEAD(&cc.migratepages);