linux-kernel - Re: [PATCHv2 02/12] mm: introduce page_vma_mapped

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Message-ID: <20170125203827.GA6232@node.shutemov.name>
Date:   Wed, 25 Jan 2017 23:38:27 +0300
From:   "Kirill A. Shutemov" <kirill@...temov.name>
To:     "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Cc:     Andrea Arcangeli <aarcange@...hat.com>,
        Hugh Dickins <hughd@...gle.com>,
        Rik van Riel <riel@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCHv2 02/12] mm: introduce page_vma_mapped_walk()

On Wed, Jan 25, 2017 at 09:25:28PM +0300, Kirill A. Shutemov wrote:
> The patch introduces new interface to check if a page is mapped into a vma.
> It aims to address shortcomings of page_check_address{,_transhuge}.
> 
> Existing interface is not able to handle PTE-mapped THPs: it only finds
> the first PTE. The rest lefted unnoticed.
> 
> page_vma_mapped_walk() iterates over all possible mapping of the page in the
> vma.
> 
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>

Please ignore, I screwed it up.

I'll repost once get it fixed and tested.

-- 
 Kirill A. Shutemov