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=-14.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT,USER_IN_DEF_DKIM_WL 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 7F9F0C43461 for ; Thu, 17 Sep 2020 01:22:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3E1DF2076B for ; Thu, 17 Sep 2020 01:22:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b="H3NEooaz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726157AbgIQBWG (ORCPT ); Wed, 16 Sep 2020 21:22:06 -0400 Received: from linux.microsoft.com ([13.77.154.182]:32822 "EHLO linux.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725858AbgIQBVy (ORCPT ); Wed, 16 Sep 2020 21:21:54 -0400 Received: from linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net (linux.microsoft.com [13.77.154.182]) by linux.microsoft.com (Postfix) with ESMTPSA id BAC2F20B7178; Wed, 16 Sep 2020 18:21:53 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com BAC2F20B7178 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1600305713; bh=nkJcObrrUzxPOBpjkc201BKfzAnytpT+T4w6EejmQyA=; h=From:To:Cc:Subject:Date:From; b=H3NEooazxxwzvB4lqsq/ifViYHr5rfdrvA2yZeKpWCRNyWTYQ0jXiS36v9i1xbFRH lxaD5uu+D9ytjK+5YtXdUhEqpWQqopMv8jXHGoXFgJ+fY3K8F/K7URGhOwaloBJsWr IaCYKIa3GsUvwE98Q/fFMvwpZy85yPYSTDBVgitU= From: Vijay Balakrishna To: Andrew Morton , "Kirill A. Shutemov" , Oleg Nesterov , Song Liu , Andrea Arcangeli , Pavel Tatashin , Vijay Balakrishna , Michal Hocko , Allen Pais Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [v3 0/2] recalculate min_free_kbytes post memory hotplug Date: Wed, 16 Sep 2020 18:21:47 -0700 Message-Id: <1600305709-2319-1-git-send-email-vijayb@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org v2 -> v3 -------- [v2 1/2] - removed symptoms references from changelog [v2 2/2] - addressed following issues Michal Hocko raised: . nr_free_buffer_pages can oveflow in int on very large machines . min_free_kbytes can decrease the size theoretically v1 -> v2 -------- - addressed issue Kirill A. Shutemov raised: . changes would override min_free_kbytes set by user Vijay Balakrishna (2): mm: khugepaged: recalculate min_free_kbytes after memory hotplug as expected by khugepaged mm: khugepaged: avoid overriding min_free_kbytes set by user include/linux/khugepaged.h | 5 +++++ mm/khugepaged.c | 16 +++++++++++++--- mm/memory_hotplug.c | 3 +++ mm/page_alloc.c | 2 +- 4 files changed, 22 insertions(+), 4 deletions(-) -- 2.28.0