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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 20BEFC433EF for ; Thu, 23 Dec 2021 06:58:15 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id AEF5A6B0073; Thu, 23 Dec 2021 01:58:14 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id A9DC86B0074; Thu, 23 Dec 2021 01:58:14 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9B3DF6B0075; Thu, 23 Dec 2021 01:58:14 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0054.hostedemail.com [216.40.44.54]) by kanga.kvack.org (Postfix) with ESMTP id 8FA186B0073 for ; Thu, 23 Dec 2021 01:58:14 -0500 (EST) Received: from smtpin22.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 55BAD844F2 for ; Thu, 23 Dec 2021 06:58:14 +0000 (UTC) X-FDA: 78948154908.22.CA3CDD4 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf30.hostedemail.com (Postfix) with ESMTP id F3F9E8001F for ; Thu, 23 Dec 2021 06:58:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=8CUiZzL/L040visV11dhw+lZCg+0MaFaN3+fI20SPHc=; b=xmqhtvGvU9EF9QKXjUZVbiMrMM zWQsQMWgmTiUSFx2YQ6/AYWERpUNJtIvCBFFdoXj+NNQLeFnnCMX32rVeWpPugtH56S962nCXi/Kn b7mm0E2ooB4kervLR3WwK8yLmrF5hgu719N/mY0RgtC9tBEjy2KAi6ryAqdh6+tEJPDDUnOEVzZEY yfqJ944S2AktyM5RrSQ7OQG/hlY8qqURcN3iB4ZSMpqNYzLt4DVMi8k8KJoItQXbmCyOvxEKpYaG4 pn4R54DRolOLSe/IlFUAvTrbef6B6C0vXKRBQWup5mkTidYtT28HqaBLK+sP5YPwS4967p/q5FaNA tUkpiN9g==; Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1n0I3I-00Bx0y-Ks; Thu, 23 Dec 2021 06:58:12 +0000 Date: Wed, 22 Dec 2021 22:58:12 -0800 From: Christoph Hellwig To: "Matthew Wilcox (Oracle)" Cc: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH 08/48] mm: Add folio_test_pmd_mappable() Message-ID: References: <20211208042256.1923824-1-willy@infradead.org> <20211208042256.1923824-9-willy@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211208042256.1923824-9-willy@infradead.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: F3F9E8001F X-Stat-Signature: axsncqn4kdkjic3y44q7rdqc8qeyfu1e Authentication-Results: imf30.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b=xmqhtvGv; dmarc=none; spf=none (imf30.hostedemail.com: domain of BATV+873f21062ce73a87fae7+6696+infradead.org+hch@bombadil.srs.infradead.org has no SPF policy when checking 198.137.202.133) smtp.mailfrom=BATV+873f21062ce73a87fae7+6696+infradead.org+hch@bombadil.srs.infradead.org X-HE-Tag: 1640242693-109392 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 Wed, Dec 08, 2021 at 04:22:16AM +0000, Matthew Wilcox (Oracle) wrote: > Add a predicate to determine if the folio might be mapped by a PMD entry. > If CONFIG_TRANSPARENT_HUGEPAGE is disabled, we know it can't be, even > if it's large enough. Looks good, Reviewed-by: Christoph Hellwig