linux-kernel - Re: [PATCH v4] net/ipv4/inet_fragment: Batch fqdir destroy works

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Date:   Fri, 11 Dec 2020 18:53:26 +0100
From:   SeongJae Park <sjpark@...zon.com>
To:     Eric Dumazet <edumazet@...gle.com>
CC:     SeongJae Park <sjpark@...zon.com>,
        David Miller <davem@...emloft.net>,
        SeongJae Park <sjpark@...zon.de>,
        Jakub Kicinski <kuba@...nel.org>,
        "Alexey Kuznetsov" <kuznet@....inr.ac.ru>,
        Florian Westphal <fw@...len.de>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        netdev <netdev@...r.kernel.org>, <rcu@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4] net/ipv4/inet_fragment: Batch fqdir destroy works

On Fri, 11 Dec 2020 15:36:53 +0100 Eric Dumazet <edumazet@...gle.com> wrote:

> On Fri, Dec 11, 2020 at 12:24 PM SeongJae Park <sjpark@...zon.com> wrote:
> >
> > From: SeongJae Park <sjpark@...zon.de>
> >
> > On a few of our systems, I found frequent 'unshare(CLONE_NEWNET)' calls
> > make the number of active slab objects including 'sock_inode_cache' type
> > rapidly and continuously increase.  As a result, memory pressure occurs.
> >
> 
> > Signed-off-by: SeongJae Park <sjpark@...zon.de>
> > ---
> >
> 
> Reviewed-by: Eric Dumazet <edumazet@...gle.com>
> 
> Jakub or David might change the patch title, no need to resend.
> 
> Thanks for this nice improvement.

My very best pleasure!  Thank you always for your nice advices and reviews!


Thanks,
SeongJae Park