linux-kernel - Re: [PATCH] mm: Track page table modifications in __apply_to_page

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Message-ID: <20200821102343.GI3354@suse.de>
Date:   Fri, 21 Aug 2020 12:23:43 +0200
From:   Joerg Roedel <jroedel@...e.de>
To:     Chris Wilson <chris@...is-wilson.co.uk>
Cc:     linux-kernel@...r.kernel.org, intel-gfx@...ts.freedesktop.org,
        linux-mm@...ck.org, Pavel Machek <pavel@....cz>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Dave Airlie <airlied@...hat.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        David Vrabel <david.vrabel@...rix.com>, stable@...r.kernel.org
Subject: Re: [PATCH] mm: Track page table modifications in
 __apply_to_page_range() construction

On Fri, Aug 21, 2020 at 11:13:36AM +0100, Chris Wilson wrote:
> We need to store the initial addr, as here addr == end [or earlier on
> earlier], so range is (start, addr).

Right, I missed that, thanks for pointing it out.