linux-kernel - Re: [v5 PATCH 1/2] hugetlb: arm64: add mte support

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Message-ID: <ZuhP80DOWipwB0AR@arm.com>
Date: Mon, 16 Sep 2024 16:34:11 +0100
From: Catalin Marinas <catalin.marinas@....com>
To: Yang Shi <yang@...amperecomputing.com>
Cc: will@...nel.org, muchun.song@...ux.dev, david@...hat.com,
	akpm@...ux-foundation.org, linux-arm-kernel@...ts.infradead.org,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [v5 PATCH 1/2] hugetlb: arm64: add mte support

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 <yang@...amperecomputing.com>

The patch looks fine to me:

Reviewed-by: Catalin Marinas <catalin.marinas@....com>

You may want to rebase and repost after the merging window.