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=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=no 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 C065FC32792 for ; Mon, 30 Sep 2019 12:29:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9402D2086A for ; Mon, 30 Sep 2019 12:29:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730659AbfI3M3a (ORCPT ); Mon, 30 Sep 2019 08:29:30 -0400 Received: from mx2.suse.de ([195.135.220.15]:53834 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1730444AbfI3M3a (ORCPT ); Mon, 30 Sep 2019 08:29:30 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id E8F55B01F; Mon, 30 Sep 2019 12:29:28 +0000 (UTC) From: Vlastimil Babka To: Andrew Morton Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, Qian Cai , "Kirill A. Shutemov" , Matthew Wilcox , Mel Gorman , Michal Hocko , Vlastimil Babka , Andrey Ryabinin , Dmitry Vyukov , "Kirill A. Shutemov" , Walter Wu Subject: [PATCH v2 0/3] followups to debug_pagealloc improvements through page_owner Date: Mon, 30 Sep 2019 14:29:13 +0200 Message-Id: <20190930122916.14969-1-vbabka@suse.cz> X-Mailer: git-send-email 2.23.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Changes since v1 [3]: - Kirill suggested further decoupling of freeing stack capture from KASAN and debug_pagealloc. Also the stackdepot handle is now only allocated in page_ext when actually used (it was simpler than I initially thought). As that was a large change, I've dropped Reviewed-by from Andrey Ryabinin. - More minor changes suggested by Kirill. These are followups to [1] which made it to Linus meanwhile. Patches 1 and 3 are based on Kirill's review, patch 2 on KASAN request [2]. It would be nice if all of this made it to 5.4 with [1] already there (or at least Patch 1). [1] https://lore.kernel.org/linux-mm/20190820131828.22684-1-vbabka@suse.cz/ [2] https://lore.kernel.org/linux-arm-kernel/20190911083921.4158-1-walter-zh.wu@mediatek.com/ [3] https://lore.kernel.org/r/20190925143056.25853-1-vbabka%40suse.cz Vlastimil Babka (3): mm, page_owner: fix off-by-one error in __set_page_owner_handle() mm, page_owner: decouple freeing stack trace from debug_pagealloc mm, page_owner: rename flag indicating that page is allocated .../admin-guide/kernel-parameters.txt | 8 ++ Documentation/dev-tools/kasan.rst | 3 + include/linux/page_ext.h | 10 +- include/linux/page_owner.h | 1 + mm/page_ext.c | 24 ++-- mm/page_owner.c | 117 ++++++++++++------ 6 files changed, 109 insertions(+), 54 deletions(-) -- 2.23.0