linux-kernel - Re: [PATCH] mm, thp: fix leaking mapped pte in __collapse_huge_page

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Message-ID: <1472824355.32433.135.camel@redhat.com>
Date:   Fri, 02 Sep 2016 09:52:35 -0400
From:   Rik van Riel <riel@...hat.com>
To:     Ebru Akagunduz <ebru.akagunduz@...il.com>, linux-mm@...ck.org
Cc:     aarcange@...hat.com, akpm@...ux-foundation.org, vbabka@...e.cz,
        mgorman@...hsingularity.net, kirill.shutemov@...ux.intel.com,
        hannes@...xchg.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm, thp: fix leaking mapped pte in
 __collapse_huge_page_swapin()

On Fri, 2016-09-02 at 15:44 +0300, Ebru Akagunduz wrote:
> Currently, khugepaged does not let swapin, if there is no
> enough young pages in a THP. The problem is when a THP does
> not have enough young page, khugepaged leaks mapped ptes.
> 
> This patch prohibits leaking mapped ptes.
> 
> Signed-off-by: Ebru Akagunduz <ebru.akagunduz@...il.com>
> Suggested-by: Andrea Arcangeli <aarcange@...hat.com>
> 
Reviewed-by: Rik van Riel <riel@...hat.com>

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