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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DA599C61D97 for ; Thu, 23 Nov 2023 16:00:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229730AbjKWP74 (ORCPT ); Thu, 23 Nov 2023 10:59:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53196 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229698AbjKWP7y (ORCPT ); Thu, 23 Nov 2023 10:59:54 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7282D10C3 for ; Thu, 23 Nov 2023 08:00:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; 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=Hd/UO5iwEledq4I12QJyEn1Jcx4datOBlQqC1Tx4lzA=; b=kRQfyhBcXdZv3+GzCTrLI8aoz9 FMRGQTfz7Fie4uGKWihrkwufPbjXhhBp5V9ticMgsOL9I1QGe1EAH2Z5VviuiBNKAyM1htYkHYT0d dtqu410VsFPd7HAhZAbAgb6zsC++P+3eLbKDIofg0G4rzYYGc9tLRkYxte2s2pWgeEIDu005NfyLM nuiLFlRlsqNvt93DPvGbBS4BtQo2aP0lX9syMVeEVLSzpTNUW+zPuxA75acSq0JD1o0rfg0yn/HwJ EXNIDWtYvgj6TYDQMXmpbIPjtoL2RHZdBsSG349bX8ULMwAnDu1lpg498I7spyo0VclxZ58AHAIL9 v6SNdbwA==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1r6C79-007gjl-9d; Thu, 23 Nov 2023 15:59:39 +0000 Date: Thu, 23 Nov 2023 15:59:39 +0000 From: Matthew Wilcox To: Ryan Roberts Cc: Andrew Morton , Yin Fengwei , David Hildenbrand , Yu Zhao , Catalin Marinas , Anshuman Khandual , Yang Shi , "Huang, Ying" , Zi Yan , Luis Chamberlain , Itaru Kitayama , "Kirill A. Shutemov" , John Hubbard , David Rientjes , Vlastimil Babka , Hugh Dickins , Kefeng Wang , linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [RESEND PATCH v7 00/10] Small-sized THP for anonymous memory Message-ID: References: <20231122162950.3854897-1-ryan.roberts@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231122162950.3854897-1-ryan.roberts@arm.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Nov 22, 2023 at 04:29:40PM +0000, Ryan Roberts wrote: > Note: I'm resending this at Andrew's suggestion due to having originally sent > it during LPC. I'm hoping its in a position where the feedback is minor enough > that I can rework in time for v6.8, but so far haven't had any. > > Hi All, > > This is v7 of a series to implement small-sized THP for anonymous memory > (previously called "large anonymous folios"). The objective of this is to I'm still against small-sized THP. We've now got people asking whether the THP counters should be updated when dealing with large folios that are smaller than PMD sized. It's sowing confusion, and we should go back to large anon folios as a name.