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=-2.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 6A972C35E03 for ; Tue, 25 Feb 2020 14:50:07 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 3BF772064A for ; Tue, 25 Feb 2020 14:50:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="A/rJ7K7/" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3BF772064A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id C20736B0003; Tue, 25 Feb 2020 09:50:06 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id BCFAA6B0005; Tue, 25 Feb 2020 09:50:06 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id AE5506B0006; Tue, 25 Feb 2020 09:50:06 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0047.hostedemail.com [216.40.44.47]) by kanga.kvack.org (Postfix) with ESMTP id 956AB6B0003 for ; Tue, 25 Feb 2020 09:50:06 -0500 (EST) Received: from smtpin16.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 4EA302DFC for ; Tue, 25 Feb 2020 14:50:06 +0000 (UTC) X-FDA: 76528934412.16.pigs73_1df9fed642e3c X-HE-Tag: pigs73_1df9fed642e3c X-Filterd-Recvd-Size: 2503 Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [207.211.31.120]) by imf40.hostedemail.com (Postfix) with ESMTP for ; Tue, 25 Feb 2020 14:50:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1582642205; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=XK/heNU6V09SRvUJPRm+AxEuUWk+JbZyq7NjdfUeCY4=; b=A/rJ7K7/MZYg4ZELm/feewAFo16RbpnvsL3AtA/wcJGq/rKIMLXn7rRGpr37gEPv95d9te yvOc0Uuk1TyvX9h9JVleaFXLgHEIgO5nzX+zwjXwIRSkf3UYCT8cdfAtMeT1PX6+H0VOkC knDqXPv4r8G81l/GLX1T8Psz+O+AlP4= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-425-s1R-LgWkO3iGAM5e5Sj3Mw-1; Tue, 25 Feb 2020 09:50:03 -0500 X-MC-Unique: s1R-LgWkO3iGAM5e5Sj3Mw-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4519FDB2B for ; Tue, 25 Feb 2020 14:50:02 +0000 (UTC) Received: from napanee.usersys.redhat.com (dhcp-17-195.bos.redhat.com [10.18.17.195]) by smtp.corp.redhat.com (Postfix) with ESMTP id 209CD90A13 for ; Tue, 25 Feb 2020 14:50:02 +0000 (UTC) Received: by napanee.usersys.redhat.com (Postfix, from userid 1000) id 89DF7C0C9A; Tue, 25 Feb 2020 09:50:01 -0500 (EST) Date: Tue, 25 Feb 2020 09:50:01 -0500 From: Aristeu Rozanski To: linux-mm@kvack.org Subject: Reason behind not accounting hugetlbfs pages on RSS Message-ID: <20200225145001.klicayp2oosgp6kq@redhat.com> MIME-Version: 1.0 User-Agent: NeoMutt/20191207 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Content-Disposition: inline X-Bogosity: Ham, tests=bogofilter, spamicity=0.002201, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hello, on 25ee01a2fca02dfb5a3 (mm: hugetlb: proc: add hugetlb-related fields to /p= roc/PID/smaps) it's stated that hugetlbfs pages aren't accounted on RSS or PSS due histori= cal reasons. Naoya Horiguchi (patch's author) can't remember the details on tha= t. Anyone knows the reason or has a pointer to where I can look? Thanks --=20 Aristeu