linux-kernel - Re: [RFC 07/11] mm: remove SWAP

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Message-ID: <20170306021610.GE8779@bbox>
Date:   Mon, 6 Mar 2017 11:16:10 +0900
From:   Minchan Kim <minchan@...nel.org>
To:     Anshuman Khandual <khandual@...ux.vnet.ibm.com>
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>
Subject: Re: [RFC 07/11] mm: remove SWAP_AGAIN in ttu

On Fri, Mar 03, 2017 at 06:24:06PM +0530, Anshuman Khandual wrote:
> On 03/02/2017 12:09 PM, Minchan Kim wrote:
> > In 2002, [1] introduced SWAP_AGAIN.
> > At that time, ttuo used spin_trylock(&mm->page_table_lock) so it's
> 
> Small nit: Please expand "ttuo" here. TTU in the first place is also
> not very clear but we have that in many places.

No problem.