From: Matthew Wilcox <willy@infradead.org>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: netdev@vger.kernel.org, linux-mm@kvack.org
Subject: Re: tcp_bind_bucket is missing from slabinfo
Date: Sat, 24 Feb 2018 06:35:20 -0800 [thread overview]
Message-ID: <20180224143520.GA22222@bombadil.infradead.org> (raw)
In-Reply-To: <20180223225030.2e8ef122@shemminger-XPS-13-9360>
On Fri, Feb 23, 2018 at 10:50:30PM -0800, Stephen Hemminger wrote:
> Somewhere back around 3.17 the kmem cache "tcp_bind_bucket" dropped out
> of /proc/slabinfo. It turns out the ss command was dumpster diving
> in slabinfo to determine the number of bound sockets and now it always
> reports 0.
>
> Not sure why, the cache is still created but it doesn't
> show in slabinfo. Could it be some part of making slab/slub common code
> (or network namespaces). The cache is created in tcp_init but not visible.
>
> Any ideas?
Try booting with slab_nomerge=1
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next prev parent reply other threads:[~2018-02-24 14:35 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-24 6:50 Stephen Hemminger
2018-02-24 14:35 ` Matthew Wilcox [this message]
2018-02-24 18:58 ` Stephen Hemminger
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