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=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 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 9ACE0CA9EC7 for ; Wed, 30 Oct 2019 16:51:01 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 5B323218DE for ; Wed, 30 Oct 2019 16:51:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5B323218DE Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 08F8D6B000C; Wed, 30 Oct 2019 12:51:01 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 01A0B6B0269; Wed, 30 Oct 2019 12:51:00 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E22656B026F; Wed, 30 Oct 2019 12:51:00 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0248.hostedemail.com [216.40.44.248]) by kanga.kvack.org (Postfix) with ESMTP id B7D8F6B000C for ; Wed, 30 Oct 2019 12:51:00 -0400 (EDT) Received: from smtpin14.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with SMTP id 1D29C180AD820 for ; Wed, 30 Oct 2019 16:51:00 +0000 (UTC) X-FDA: 76101040680.14.store03_25c705e5f5e2b X-HE-Tag: store03_25c705e5f5e2b X-Filterd-Recvd-Size: 2311 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by imf34.hostedemail.com (Postfix) with ESMTP for ; Wed, 30 Oct 2019 16:50:59 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 8372A31F; Wed, 30 Oct 2019 09:50:58 -0700 (PDT) Received: from arrakis.emea.arm.com (arrakis.cambridge.arm.com [10.1.197.42]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 1504C3F6C4; Wed, 30 Oct 2019 09:50:55 -0700 (PDT) Date: Wed, 30 Oct 2019 16:50:54 +0000 From: Catalin Marinas To: Steven Price Cc: linux-mm@kvack.org, Andy Lutomirski , Ard Biesheuvel , Arnd Bergmann , Borislav Petkov , Dave Hansen , Ingo Molnar , James Morse , =?iso-8859-1?B?Suly9G1l?= Glisse , Peter Zijlstra , Thomas Gleixner , Will Deacon , x86@kernel.org, "H. Peter Anvin" , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Mark Rutland , "Liang, Kan" , Andrew Morton Subject: Re: [PATCH v14 22/22] arm64: mm: Display non-present entries in ptdump Message-ID: <20191030165053.GE13309@arrakis.emea.arm.com> References: <20191028135910.33253-1-steven.price@arm.com> <20191028135910.33253-23-steven.price@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191028135910.33253-23-steven.price@arm.com> User-Agent: Mutt/1.10.1 (2018-07-13) 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: On Mon, Oct 28, 2019 at 01:59:10PM +0000, Steven Price wrote: > Previously the /sys/kernel/debug/kernel_page_tables file would only show > lines for entries present in the page tables. However it is useful to > also show non-present entries as this makes the size and level of the > holes more visible. This aligns the behaviour with x86 which also shows > holes. > > Signed-off-by: Steven Price Acked-by: Catalin Marinas