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=-11.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 1B5C8C433E0 for ; Wed, 27 Jan 2021 10:22:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BC98D2072C for ; Wed, 27 Jan 2021 10:22:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235828AbhA0KWa (ORCPT ); Wed, 27 Jan 2021 05:22:30 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:29086 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235776AbhA0KT5 (ORCPT ); Wed, 27 Jan 2021 05:19:57 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1611742705; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=No5FubTAWDBcMhAWtS3VeHEUbSxgS4aJN3+PeklSkVg=; b=Qvc9XTMkA4fyzOaLhinUnPxUaBlv29X0lY/CnwdeKxSiS+t+UCoSUm1w6juPdfwfnB/fG+ IxUhoXA5NIZpW5Ak0NjnjEFaJ2P0ZPCVv1qEhHTGXdN56RQeqzpbkInasYqylOwzgkzJfD pi4XQSEhAhk3kYzm2CqEW7OD2Nw7yjg= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-499-mw2KyrrNPjO04-FM_U2OCg-1; Wed, 27 Jan 2021 05:18:21 -0500 X-MC-Unique: mw2KyrrNPjO04-FM_U2OCg-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 9B38C801AAB; Wed, 27 Jan 2021 10:18:19 +0000 (UTC) Received: from t480s.redhat.com (ovpn-114-237.ams2.redhat.com [10.36.114.237]) by smtp.corp.redhat.com (Postfix) with ESMTP id 9A4236EF55; Wed, 27 Jan 2021 10:18:14 +0000 (UTC) From: David Hildenbrand To: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, David Hildenbrand , Andrew Morton , Michal Hocko , Mike Rapoport , Oscar Salvador , "Peter Zijlstra (Intel)" , Thomas Gleixner , Wei Yang Subject: [PATCH v1 0/2] mm/cma: better error handling and count pages per zone Date: Wed, 27 Jan 2021 11:18:11 +0100 Message-Id: <20210127101813.6370-1-david@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Two improvements for CMA: 1. When activation of a CMA area fails, hand back all pages to the buddy 2. Count CMA pages per zone and print them in /proc/zoneinfo David Hildenbrand (2): mm/cma: expose all pages to the buddy if activation of an area fails mm/page_alloc: count CMA pages per zone and print them in /proc/zoneinfo include/linux/mmzone.h | 4 ++++ mm/cma.c | 43 +++++++++++++++++++++--------------------- mm/page_alloc.c | 1 + mm/vmstat.c | 6 ++++-- 4 files changed, 30 insertions(+), 24 deletions(-) -- 2.29.2