linux-kernel - Re: [RFC 03/11] mm: remove SWAP

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Message-ID: <20170307142051.GC2779@node.shutemov.name>
Date:   Tue, 7 Mar 2017 17:20:51 +0300
From:   "Kirill A. Shutemov" <kirill@...temov.name>
To:     Minchan Kim <minchan@...nel.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>, kernel-team@....com,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Johannes Weiner <hannes@...xchg.org>,
        Michal Hocko <mhocko@...e.com>, Shaohua Li <shli@...nel.org>
Subject: Re: [RFC 03/11] mm: remove SWAP_DIRTY in ttu

On Thu, Mar 02, 2017 at 03:39:17PM +0900, Minchan Kim wrote:
> If we found lazyfree page is dirty, ttuo can just SetPageSwapBakced
> in there like PG_mlocked page and just return with SWAP_FAIL which
> is very natural because the page is not swappable right now so that
> vmscan can activate it. There is no point to introduce new return
> value SWAP_DIRTY in ttu at the moment.
> 
> Cc: Shaohua Li <shli@...nel.org>
> Signed-off-by: Minchan Kim <minchan@...nel.org>

Acked-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>

-- 
 Kirill A. Shutemov