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 7A18EC433F5 for ; Wed, 6 Apr 2022 11:21:51 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D94E06B0072; Wed, 6 Apr 2022 07:21:40 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id D43F06B0073; Wed, 6 Apr 2022 07:21:40 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C32536B0074; Wed, 6 Apr 2022 07:21:40 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0088.hostedemail.com [216.40.44.88]) by kanga.kvack.org (Postfix) with ESMTP id B5DD26B0072 for ; Wed, 6 Apr 2022 07:21:40 -0400 (EDT) Received: from smtpin26.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 6E900183DC8CE for ; Wed, 6 Apr 2022 11:21:30 +0000 (UTC) X-FDA: 79326213540.26.76DA39D Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf19.hostedemail.com (Postfix) with ESMTP id BE3BA1A0032 for ; Wed, 6 Apr 2022 11:21:29 +0000 (UTC) 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=9oy3ultg8Ke1VNhNaa/jOMj0ixywF+PKwvzmARdZGyc=; b=XNLiIM5Qd09i9xI1QkEhhXyqyi CeEoT4wl9+DQzV1MVHs/W+9qcO/FvkrPxKHrniQqhe9QpLa73Jo6oHia6kzb0/qrG+Yxr1ndqNFto YXMqheWfoXRplb/0WnQVT79RZfuFs/v7Q/X3s9HitaXHtsmm/9AEaV/Czahy49Bgt/q7DgcGQWeuc 8hioNymB0cq2lpuPMW/+Mf6GBnoPIAuZCmhVVXzl302k5jwVEKAR9LaUc8dgEZnPlxQPMIIFD3VQ/ 4rFJ/8mu9K+M90YS0Y6kJwNPtf1pg69bWiXQIGxFwx20ozkwM7YS0GKcyaRm0h162Mhg+uM4GjWZ/ kTIhcIlQ==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=worktop.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1nc3j3-007k26-WA; Wed, 06 Apr 2022 11:21:26 +0000 Received: by worktop.programming.kicks-ass.net (Postfix, from userid 1000) id 40560986199; Wed, 6 Apr 2022 13:21:24 +0200 (CEST) Date: Wed, 6 Apr 2022 13:21:24 +0200 From: Peter Zijlstra To: Anshuman Khandual Cc: Steve Capper , linux-mm@kvack.org, David Hildenbrand , Catalin Marinas , Will Deacon Subject: Re: [PATCH v2] tlb: hugetlb: Add more sizes to tlb_remove_huge_tlb_entry Message-ID: <20220406112124.GD2731@worktop.programming.kicks-ass.net> References: <8d5f53c2-2e67-66e4-6453-946a62d5ee98@arm.com> <20220330112543.863-1-steve.capper@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspam-User: X-Stat-Signature: dzjekrkbmt9gjj34nnbt96s3dftycyi4 Authentication-Results: imf19.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=XNLiIM5Q; spf=none (imf19.hostedemail.com: domain of peterz@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=peterz@infradead.org; dmarc=none X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: BE3BA1A0032 X-HE-Tag: 1649244089-935093 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, Mar 30, 2022 at 07:34:16PM +0530, Anshuman Khandual wrote: > I am wondering whether this should take care of gigantic PGDIR_SIZE > based HugeTLB pages as well ? Although, it will require another new > helper tlb_flush_pgd_range(). Any thoughts ? I'm thinking that should be straight forward, you need a ->cleared_pgds along with all that, but yeah.