From: Michal Hocko <mhocko@suse.com>
To: Yafang Shao <laoar.shao@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Bharath Vedartham <linux.bhar@gmail.com>,
Linux MM <linux-mm@kvack.org>,
shaoyafang@didiglobal.com
Subject: Re: [PATCH v4 0/3] mm: improvements in shrink slab
Date: Thu, 6 Jun 2019 17:33:05 +0200 [thread overview]
Message-ID: <20190606153305.GB12311@dhcp22.suse.cz> (raw)
In-Reply-To: <CALOAHbBuF07j1Nt2tAg6Hd2ucse6O9PLhY-yr_K-56zerst=iQ@mail.gmail.com>
On Thu 06-06-19 23:03:12, Yafang Shao wrote:
> On Thu, Jun 6, 2019 at 10:44 PM Michal Hocko <mhocko@suse.com> wrote:
>
> > On Thu 06-06-19 22:18:41, Yafang Shao wrote:
[...]
> > > The reason I expose node reclaim details to userspace is because the user
> > > can set node reclaim details now.
> >
> > Well, just because somebody _can_ enable it doesn't sound like a
> > sufficient justification to expose even more implementation details of
> > this feature. I am not really sure there is a strong reason to touch the
> > code without a real usecase behind.
> >
> >
> Got it.
>
> So should we fix the bugs in node reclaim path then?
I am all for fixing bugs, I am just nervous to expose even more internal
implementation details to the userspace if there is no _real_ usecase
requiring it.
--
Michal Hocko
SUSE Labs
prev parent reply other threads:[~2019-06-06 15:33 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-06 10:14 Yafang Shao
2019-06-06 10:14 ` [PATCH v4 1/3] mm/vmstat: expose min_slab_pages in /proc/zoneinfo Yafang Shao
2019-06-06 10:14 ` [PATCH v4 2/3] mm/vmscan: change return type of shrink_node() to void Yafang Shao
2019-06-06 10:14 ` [PATCH v4 3/3] mm/vmscan: shrink slab in node reclaim Yafang Shao
2019-06-06 11:17 ` [PATCH v4 0/3] mm: improvements in shrink slab Michal Hocko
2019-06-06 14:18 ` Yafang Shao
2019-06-06 14:44 ` Michal Hocko
2019-06-06 15:03 ` Yafang Shao
2019-06-06 15:33 ` Michal Hocko [this message]
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