linux-kernel - Re: [PATCH -mm -v2 00/12] mm, THP, swap: Delay splitting THP after swapped out

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Date:   Mon, 24 Jul 2017 10:46:27 +0800
From:   Ming Lei <ming.lei@...hat.com>
To:     "Huang, Ying" <ying.huang@...el.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org,
        Ross Zwisler <ross.zwisler@...ux.intel.com>,
        linux-nvdimm@...ts.01.org, Johannes Weiner <hannes@...xchg.org>,
        Minchan Kim <minchan@...nel.org>,
        Hugh Dickins <hughd@...gle.com>, Shaohua Li <shli@...nel.org>,
        Rik van Riel <riel@...hat.com>,
        Andrea Arcangeli <aarcange@...hat.com>,
        "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
        Jens Axboe <axboe@...com>, Michal Hocko <mhocko@...nel.org>
Subject: Re: [PATCH -mm -v2 00/12] mm, THP, swap: Delay splitting THP after
 swapped out

On Mon, Jul 24, 2017 at 08:57:48AM +0800, Huang, Ying wrote:
> Andrew Morton <akpm@...ux-foundation.org> writes:
> 
> > On Fri, 23 Jun 2017 15:12:51 +0800 "Huang, Ying" <ying.huang@...el.com> wrote:
> >
> >> From: Huang Ying <ying.huang@...el.com>
> >> 
> >> Hi, Andrew, could you help me to check whether the overall design is
> >> reasonable?
> >> 
> >> Hi, Johannes and Minchan, Thanks a lot for your review to the first
> >> step of the THP swap optimization!  Could you help me to review the
> >> second step in this patchset?
> >> 
> >> Hi, Hugh, Shaohua, Minchan and Rik, could you help me to review the
> >> swap part of the patchset?  Especially [01/12], [02/12], [03/12],
> >> [04/12], [11/12], and [12/12].
> >> 
> >> Hi, Andrea and Kirill, could you help me to review the THP part of the
> >> patchset?  Especially [01/12], [03/12], [07/12], [08/12], [09/12],
> >> [11/12].
> >> 
> >> Hi, Johannes, Michal, could you help me to review the cgroup part of
> >> the patchset?  Especially [08/12], [09/12], and [10/12].
> >> 
> >> And for all, Any comment is welcome!
> >
> > I guess it's time for a resend.  Folks, could we please get some more
> > review&test going here?
> 
> Sure.  Will resend it ASAP.  And Thanks for reminding!
> 
> >> Because the THP swap writing support patch [06/12] needs to be rebased
> >> on multipage bvec patchset which hasn't been merged yet.  The [06/12]
> >> in this patchset is just a test patch and will be rewritten later.
> >> The patchset depends on multipage bvec patchset too.
> >
> > Are these dependency issues any simpler now?
> 
> Ming Lei has sent the v2 of multipage bvec patchset on June 26th.  Jens
> Axboe thinks the patchset will target v4.14.
> 
> https://lkml.org/lkml/2017/6/26/538

I will rebase the patchset against v4.13-rcX and send v3 out later.


Thanks,
Ming