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=-3.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,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 74D51C433E0 for ; Sat, 20 Feb 2021 01:49:59 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 0FB7564ED2 for ; Sat, 20 Feb 2021 01:49:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0FB7564ED2 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 744D36B0005; Fri, 19 Feb 2021 20:49:58 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 6CF646B006C; Fri, 19 Feb 2021 20:49:58 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5BC766B006E; Fri, 19 Feb 2021 20:49:58 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0018.hostedemail.com [216.40.44.18]) by kanga.kvack.org (Postfix) with ESMTP id 397066B0005 for ; Fri, 19 Feb 2021 20:49:58 -0500 (EST) Received: from smtpin29.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id E54D218367794 for ; Sat, 20 Feb 2021 01:49:57 +0000 (UTC) X-FDA: 77836965234.29.6197512 Received: from mail-ej1-f50.google.com (mail-ej1-f50.google.com [209.85.218.50]) by imf07.hostedemail.com (Postfix) with ESMTP id C4A58A0009D3 for ; Sat, 20 Feb 2021 01:49:56 +0000 (UTC) Received: by mail-ej1-f50.google.com with SMTP id n13so17211695ejx.12 for ; Fri, 19 Feb 2021 17:49:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=intel-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=TlJ4JxE7cEgv2VZzZcchEQjl5uSa6wQTW8zoDR1tYi0=; b=MlnEBIvHPCH5Q4hKCYH2Y6aAEdoklM2Nc2qNb6idhxXnrH70htTbvKj22LsIsgI0BN xUUQ+3Uzfedq9kalg4MKgY7nLuhqQDGecOsN2eV+UtzveJipQxQrWsZxkOUatzlGQEaB xJSDgkVxsi+66XAFhld1Nh4GrATj/5RNps6Yls0Utt9xFHnzW5NjpvUnkcSyVUEaXXGH DEdwC+rge+6N4zfMgAFUhHpoyAL7RN6E7NiPIP0Oi2/Ujd6lKY3EA32RltsrxJOsksUo my+L9kwvBaN10PizSg4mtZeZsXcVsY0kiVVj+9mh0LJQvvYTHI5f8IZw598uIT9Kt2og LUzw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=TlJ4JxE7cEgv2VZzZcchEQjl5uSa6wQTW8zoDR1tYi0=; b=nBKn/MmI/SuhDQZe0ROp6zJeJG6lJqMej8MFJxWDhjkeuyBOe86ifS4TE+YRI1C6cs WmwXXuNsos2HVUA6d66tKQME7lYc4PKurUd+aA3rl0x+F1Acq7dGo6YjuLSLlbiK1gqe 9Nd17ueszpZmYa3mRQhJWTVrOemO95LlSho1WJxiO+/ra/ZQ7dCmie0j99eqr2rKiN+C GkpIB+iyXAF3VlD81yRdDJvWLfw6oLWE+ZHyclM2tA/hlNyJtrk91+tXIkRYe+5v9UQt quc1FssaE30boXyoac8duVc/tv2V7CJiLT46f8keaRNKKHXhgcGPjOy412iQcCHp1B64 jCIw== X-Gm-Message-State: AOAM532TytTxo59R6/Lmlkq29C66clbdr5y7vTfBYiGmL4pDOM9myePU rYIzzhf/xbPurNloijsdWUSlpscPkqoHHPzy7SZfvA== X-Google-Smtp-Source: ABdhPJxSBmWtc3D7yPoJ+VvZwQfVKtSvpKlz5Q5fcePwTfVx7Kma0dmk1uAB6TiQzCAMap/Zi2MCZTFA7fcw42RWxpg= X-Received: by 2002:a17:906:fad4:: with SMTP id lu20mr11358011ejb.341.1613785796220; Fri, 19 Feb 2021 17:49:56 -0800 (PST) MIME-Version: 1.0 References: <20201208172901.17384-1-joao.m.martins@oracle.com> <20201208172901.17384-3-joao.m.martins@oracle.com> In-Reply-To: <20201208172901.17384-3-joao.m.martins@oracle.com> From: Dan Williams Date: Fri, 19 Feb 2021 17:49:48 -0800 Message-ID: Subject: Re: [PATCH RFC 2/9] sparse-vmemmap: Consolidate arguments in vmemmap section populate To: Joao Martins Cc: Linux MM , Ira Weiny , linux-nvdimm , Matthew Wilcox , Jason Gunthorpe , Jane Chu , Muchun Song , Mike Kravetz , Andrew Morton Content-Type: text/plain; charset="UTF-8" X-Stat-Signature: tm9ee3n6gsgnur78pzcha1cwf367za9b X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: C4A58A0009D3 Received-SPF: none (intel.com>: No applicable sender policy available) receiver=imf07; identity=mailfrom; envelope-from=""; helo=mail-ej1-f50.google.com; client-ip=209.85.218.50 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1613785796-333034 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 Tue, Dec 8, 2020 at 9:31 AM Joao Martins wrote: > > Replace vmem_altmap with an vmem_context argument. That let us > express how the vmemmap is gonna be initialized e.g. passing > flags and a page size for reusing pages upon initializing the > vmemmap. > Per the comment on the last patch, if compound dev_pagemap never collides with vmem_altmap then I don't think this patch is needed.