linux-kernel - Re: [PATCH v17 20/21] mm/pgdat: remove pgdat lru

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Message-ID: <CAKgT0UciRJCPs_zrxri1pEJmJVKkHpEq=AFiVpJE99JJQe=Xrg@mail.gmail.com>
Date:   Mon, 3 Aug 2020 15:45:50 -0700
From:   Alexander Duyck <alexander.duyck@...il.com>
To:     Alex Shi <alex.shi@...ux.alibaba.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Mel Gorman <mgorman@...hsingularity.net>,
        Tejun Heo <tj@...nel.org>, Hugh Dickins <hughd@...gle.com>,
        Konstantin Khlebnikov <khlebnikov@...dex-team.ru>,
        Daniel Jordan <daniel.m.jordan@...cle.com>,
        Yang Shi <yang.shi@...ux.alibaba.com>,
        Matthew Wilcox <willy@...radead.org>,
        Johannes Weiner <hannes@...xchg.org>,
        kbuild test robot <lkp@...el.com>,
        linux-mm <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>, cgroups@...r.kernel.org,
        Shakeel Butt <shakeelb@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Wei Yang <richard.weiyang@...il.com>,
        "Kirill A. Shutemov" <kirill@...temov.name>,
        Rong Chen <rong.a.chen@...el.com>
Subject: Re: [PATCH v17 20/21] mm/pgdat: remove pgdat lru_lock

Just to correct a typo, I meant patch 17, not 18. in the comment below.


On Mon, Aug 3, 2020 at 3:42 PM Alexander Duyck
<alexander.duyck@...il.com> wrote:
>
> On Sat, Jul 25, 2020 at 6:00 AM Alex Shi <alex.shi@...ux.alibaba.com> wrote:
> >
> > Now pgdat.lru_lock was replaced by lruvec lock. It's not used anymore.
> >
> > Signed-off-by: Alex Shi <alex.shi@...ux.alibaba.com>
> > Cc: Andrew Morton <akpm@...ux-foundation.org>
> > Cc: Konstantin Khlebnikov <khlebnikov@...dex-team.ru>
> > Cc: Hugh Dickins <hughd@...gle.com>
> > Cc: Johannes Weiner <hannes@...xchg.org>
> > Cc: linux-mm@...ck.org
> > Cc: linux-kernel@...r.kernel.org
> > Cc: cgroups@...r.kernel.org
>
> I really think this would be better just squashed into patch 18
> instead of as a standalone patch since you were moving all of the
> locking anyway so it would be more likely to trigger build errors if
> somebody didn't move a lock somewhere that was referencing this.
>
> That said this change is harmless at this point.
>
> Reviewed-by: Alexander Duyck <alexander.h.duyck@...ux.intel.com>