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=-2.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED, USER_AGENT_MUTT 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 9EA16C04EB8 for ; Thu, 6 Dec 2018 04:26:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4FE8920838 for ; Thu, 6 Dec 2018 04:26:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="TnoHaN2h" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4FE8920838 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728895AbeLFE0f (ORCPT ); Wed, 5 Dec 2018 23:26:35 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:52976 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727794AbeLFE0f (ORCPT ); Wed, 5 Dec 2018 23:26:35 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Transfer-Encoding :Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Sender:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=0DSY3BfsYM1mDQrvH9LSaCceeBNiWh+dlLPsz3oZfns=; b=TnoHaN2hOX7CclsqhhobofH9gT zG/1jZQ8mJ8AOLsBsZe8HekxwiF1zGkOCLCZeod11kLq5RYac4Lt5IroPTZ3HL6br54PHPupzQOtb OZ4W1uoMUUvXPXbN12BJSl9MG0X31zGZV1De1OX4GDoeknEGLsOZ6ypRWuNHxHxm5FQi0k382mdoI +eKVs78BgjzuxQm7lTgNb3IpbBu8D+1vLrRyIpebOrczCOMt3gvWUEtQSyW2mRnC7AHEk+CE5d70K sGMPEQLTNSo52AaEpaCNzWlJYD5xFSoE7Y69vfLwpHPT5oJmxMqOqqcQkO8rexWqJwnVG4qtkk76l tib+6RkA==; Received: from willy by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux)) id 1gUlF9-0004EQ-FY; Thu, 06 Dec 2018 04:26:31 +0000 Date: Wed, 5 Dec 2018 20:26:31 -0800 From: Matthew Wilcox To: Anthony Yznaga Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, adobriyan@gmail.com, akpm@linux-foundation.org, vbabka@suse.cz, sfr@canb.auug.org.au, kirill.shutemov@linux.intel.com, rppt@linux.vnet.ibm.com, mhocko@suse.com, alexander.h.duyck@linux.intel.com, hannes@cmpxchg.org, miles.chen@mediatek.com, n-horiguchi@ah.jp.nec.com Subject: Re: [PATCH] /proc/kpagecount: return 0 for special pages that are never mapped Message-ID: <20181206042631.GA24603@bombadil.infradead.org> References: <1543963526-27917-1-git-send-email-anthony.yznaga@oracle.com> <20181205004836.GU10377@bombadil.infradead.org> <20181205012534.GW10377@bombadil.infradead.org> <540f7690-5fcd-04d6-edb3-a44ebd09e70c@oracle.com> <20181205194409.GB11646@bombadil.infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Dec 05, 2018 at 04:44:15PM -0800, Anthony Yznaga wrote: > On 12/05/2018 11:44 AM, Matthew Wilcox wrote: > > Nobody seems terribly interested in mapcount overflows. I got no response > > to https://lkml.org/lkml/2018/3/2/991 > > Okay.  Thanks for the background. > > How about this, then: Acked-by: Matthew Wilcox From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from bombadil.infradead.org ([198.137.202.133]:52976 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727794AbeLFE0f (ORCPT ); Wed, 5 Dec 2018 23:26:35 -0500 Date: Wed, 5 Dec 2018 20:26:31 -0800 From: Matthew Wilcox To: Anthony Yznaga Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, adobriyan@gmail.com, akpm@linux-foundation.org, vbabka@suse.cz, sfr@canb.auug.org.au, kirill.shutemov@linux.intel.com, rppt@linux.vnet.ibm.com, mhocko@suse.com, alexander.h.duyck@linux.intel.com, hannes@cmpxchg.org, miles.chen@mediatek.com, n-horiguchi@ah.jp.nec.com Subject: Re: [PATCH] /proc/kpagecount: return 0 for special pages that are never mapped Message-ID: <20181206042631.GA24603@bombadil.infradead.org> References: <1543963526-27917-1-git-send-email-anthony.yznaga@oracle.com> <20181205004836.GU10377@bombadil.infradead.org> <20181205012534.GW10377@bombadil.infradead.org> <540f7690-5fcd-04d6-edb3-a44ebd09e70c@oracle.com> <20181205194409.GB11646@bombadil.infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On Wed, Dec 05, 2018 at 04:44:15PM -0800, Anthony Yznaga wrote: > On 12/05/2018 11:44 AM, Matthew Wilcox wrote: > > Nobody seems terribly interested in mapcount overflows. I got no response > > to https://lkml.org/lkml/2018/3/2/991 > > Okay.� Thanks for the background. > > How about this, then: Acked-by: Matthew Wilcox