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 6FE37C3ABB2 for ; Mon, 16 Sep 2024 15:34:19 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 90FC06B008C; Mon, 16 Sep 2024 11:34:18 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 8C1786B0092; Mon, 16 Sep 2024 11:34:18 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7AE6B6B0093; Mon, 16 Sep 2024 11:34:18 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 5D1926B008C for ; Mon, 16 Sep 2024 11:34:18 -0400 (EDT) Received: from smtpin21.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id CB496140585 for ; 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s=arc-20220608; d=hostedemail.com; t=1726500734; a=rsa-sha256; cv=none; b=Vvb846cXYiOkDyU/FlkN249ZcPYHSuel5vfipN395gF579691S3JZtT9u369bMMG1J/50C FfIUGAujnB7BKABdaImvMzKzymgxRn4Fx16yJBcGBWZykJlcam+b/URnFAuUwDthQve2bR C2DdhpUfaFSj7B6Rp+0aNsHs/r49rl0= ARC-Authentication-Results: i=1; imf02.hostedemail.com; dkim=none; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=arm.com (policy=none); spf=pass (imf02.hostedemail.com: domain of cmarinas@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=cmarinas@kernel.org Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 408BA5C5B97; Mon, 16 Sep 2024 15:34:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2C51FC4CEC4; Mon, 16 Sep 2024 15:34:13 +0000 (UTC) Date: Mon, 16 Sep 2024 16:34:11 +0100 From: Catalin Marinas To: Yang Shi Cc: will@kernel.org, muchun.song@linux.dev, david@redhat.com, akpm@linux-foundation.org, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [v5 PATCH 1/2] hugetlb: arm64: add mte support Message-ID: References: <20240913183404.3517556-1-yang@os.amperecomputing.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240913183404.3517556-1-yang@os.amperecomputing.com> X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 1718C80005 X-Stat-Signature: snnzdmmj4onr4rnfxwr97y9xkr86ryju X-Rspam-User: X-HE-Tag: 1726500855-921417 X-HE-Meta: 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 yqSNX5Cc E15+Bw4+lS1Obh+fFpfej3ahAkBYqxENiBd1b1Vd8BWp8Z2clrOdkWEvfpwla/z8p/FxiBJR5FnG+I1zYlZgteir7U7P3Bv6Fdwk6jedfz3Z1SeM/Ygh2DT0QLciAI0lrU9KJk/UkRxhK7rI1qL9+tiiObLrWufo0rVPLp+I+sJYu4nABC/b02eEzIzKcrs2VfnCg+VMnqV475FKqsecaSkUSYX2vKk44G4sE3V2GhCPjjrhFfl06IsffdFXha9IQU9PiojZsAbWDwlMTQ4NRYcqeSRP4naEu0aI4oMdqv0xBz6+Pfe7tEiMJxsXK0SM9T6GOB7rh9kM+2i1M/qCfCYCdM7guihUHvGwYAoiEYaYelzDQGwx7MfvdjHRxAd6Vns+PU7pqEMLdJyDY9bje+i2WgHndUF6YCLUjqzFOUlRcXTAUlg8HC0YUAfZcTAml4L5ed4XDM4IblyBu4dr6jYzr2A== 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: List-Subscribe: List-Unsubscribe: On Fri, Sep 13, 2024 at 11:34:03AM -0700, Yang Shi wrote: > Enable MTE support for hugetlb. > > The MTE page flags will be set on the folio only. When copying > hugetlb folio (for example, CoW), the tags for all subpages will be copied > when copying the first subpage. > > When freeing hugetlb folio, the MTE flags will be cleared. > > Signed-off-by: Yang Shi The patch looks fine to me: Reviewed-by: Catalin Marinas You may want to rebase and repost after the merging window.