linux-kernel - Re: [PATCH 0/5] mm: fixes to past from future testing

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Date:   Mon, 31 Aug 2020 21:08:18 -0700 (PDT)
From:   Hugh Dickins <hughd@...gle.com>
To:     Alex Shi <alex.shi@...ux.alibaba.com>
cc:     Hugh Dickins <hughd@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Johannes Weiner <hannes@...xchg.org>,
        Michal Hocko <mhocko@...e.com>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Shakeel Butt <shakeelb@...gle.com>,
        Matthew Wilcox <willy@...radead.org>, Qian Cai <cai@....pw>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH 0/5] mm: fixes to past from future testing

On Tue, 1 Sep 2020, Alex Shi wrote:
> 在 2020/8/31 上午4:57, Hugh Dickins 写道:
> > Here's a set of independent fixes against 5.9-rc2: prompted by
> > testing Alex Shi's "warning on !memcg" and lru_lock series, but
> > I think fit for 5.9 - though maybe only the first for stable.
> > 
> > [PATCH 1/5] ksm: reinstate memcg charge on copied pages
> > [PATCH 2/5] mm: migration of hugetlbfs page skip memcg
> > [PATCH 3/5] shmem: shmem_writepage() split unlikely i915 THP
> > [PATCH 4/5] mm: fix check_move_unevictable_pages() on THP
> > [PATCH 5/5] mlock: fix unevictable_pgs event counts on THP
> 
> Hi Hugh,
> 
> Thanks a lot for reporting and fix! All fixed looks fine for me.

Thanks for checking.

> 
> BTW,
> I assume you already rebased lru_lock patchset on this. So I don't 
> need to redo rebase again, do I? :)

That's right, no need for another posting: the only ones of yours
which don't apply cleanly on top of mine are 20/32 and 21/32,
touching check_move_unevictable_pages(); and they're easy enough
to resolve.

With my 5 fixes in, I'll advance to commenting on yours (but not today).

Hugh