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Shutemov" , Ryan Roberts , Michal =?ISO-8859-1?Q?Koutn=FD?= , Roman Gushchin , "Zach O'Keefe" , linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH v3 0/7] Split a folio to any lower order folios Message-Id: <20230404144727.e613116684dbd65a4b4745c1@linux-foundation.org> In-Reply-To: <20230403201839.4097845-1-zi.yan@sent.com> References: <20230403201839.4097845-1-zi.yan@sent.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Queue-Id: A484414000F X-Rspamd-Server: rspam01 X-Stat-Signature: k7suwpyxtnkgncushrdysg19tnidwb63 X-HE-Tag: 1680644849-880042 X-HE-Meta: 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 BWtbEFW2 p/7T1UXbxL8cpJ13cLDMQOO5CpuF/6CrrYWpcy7AfEUp4+0t5n9chFeUPtyk1/yAJ7N1W7Zv7MSC++7eO/Gb8Z5Z5d1ed59KIP/83/f/pxeFPmIlNsKFv5xHe6ANN9434ETCvK8t1c5jrNmQUP7OdyS274nTKtCJclpl5ZBDU+WAA1FLFJ28UShaW9Ee1ybn1PB7LpKGodTWzL0SnaKNPgaLkUUW9hgkI+kZOV9kFY9zOMG1pRxTPY5G9Ic4dpKBFTTmOGFy+mvehJlykvHgChTvr7u6KtJPXtQy334P5PTBYKtcYBh92PLgd9aCoV2hZOtRllMBglIEUwDHULUKr95o4GYX89XEUzbLt1lno8lTB3fZ6IM3HuieSSaUplIff0MCFen1g+RBsSQ3gA9mxmBZ5NQ== 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, 3 Apr 2023 16:18:32 -0400 Zi Yan wrote: > File folio supports any order and people would like to support flexible orders > for anonymous folio[1] too. Currently, split_huge_page() only splits a huge > page to order-0 pages, but splitting to orders higher than 0 is also useful. > This patchset adds support for splitting a huge page to any lower order pages > and uses it during file folio truncate operations. This series (and its v1 & v2) don't appear to have much in the way of detailed review. As it's at v3 and has been fairly stable I'll queue it up for some testing now, but I do ask that some reviewers go through it please.