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=-5.8 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 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 6C5BFC433DB for ; Wed, 27 Jan 2021 10:26:51 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id D50112072C for ; Wed, 27 Jan 2021 10:26:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D50112072C Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 1DFC76B0006; Wed, 27 Jan 2021 05:26:50 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 13F286B000A; Wed, 27 Jan 2021 05:26:50 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EAD7A6B000C; Wed, 27 Jan 2021 05:26:49 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0204.hostedemail.com [216.40.44.204]) by kanga.kvack.org (Postfix) with ESMTP id CCBCB6B0006 for ; Wed, 27 Jan 2021 05:26:49 -0500 (EST) Received: from smtpin04.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 991FA8249980 for ; Wed, 27 Jan 2021 10:26:49 +0000 (UTC) X-FDA: 77751176538.04.part44_2f14cce27596 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin04.hostedemail.com (Postfix) with ESMTP id 77C10800F35B for ; Wed, 27 Jan 2021 10:26:49 +0000 (UTC) X-HE-Tag: part44_2f14cce27596 X-Filterd-Recvd-Size: 2251 Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by imf36.hostedemail.com (Postfix) with ESMTP for ; Wed, 27 Jan 2021 10:26:49 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1611743208; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=JLSVLQTCpNGXqXoFFf6frdMUy9qm2Kd8XxVyNeqLu+A=; b=eCqyU2iwnHa6+g0doP0r7l8In/7+le+zZjIcyMNHJtQLNTmB7wcuvpLwmGhnlJh0V4xfkd Bhu6tYTua4BHlrv6I2kmMw4a09mIb5Vya91BsaEJq6ImuwHReWBtIbbORA8QlsnJ2nlttt EAtx8mb9Gh3IzsNzfQj9daa7j2+k/xY= Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id EAE72AD57; Wed, 27 Jan 2021 10:26:47 +0000 (UTC) Date: Wed, 27 Jan 2021 11:26:45 +0100 From: Michal Hocko To: Mike Kravetz Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Naoya Horiguchi , Muchun Song , David Hildenbrand , Oscar Salvador , Matthew Wilcox , Miaohe Lin , Andrew Morton Subject: Re: [PATCH v3 1/5] hugetlb: use page.private for hugetlb specific page flags Message-ID: <20210127102645.GH827@dhcp22.suse.cz> References: <20210122195231.324857-1-mike.kravetz@oracle.com> <20210122195231.324857-2-mike.kravetz@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210122195231.324857-2-mike.kravetz@oracle.com> 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: Sorry forgot one thing. On Fri 22-01-21 11:52:27, Mike Kravetz wrote: > + * HPG_restore_reserve - Set when a hugetlb page consumes a reservation at > + * allocation time. Cleared when page is fully instantiated. Free > + * routine checks flag to restore a reservation on error paths. Can we document that the pool is stored in head+1->private here please? > + */ > +enum hugetlb_page_flags { > + HPG_restore_reserve = 0, > + __NR_HPAGEFLAGS, > +}; -- Michal Hocko SUSE Labs