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From: Thomas Graf <tgraf@suug.ch>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: David Miller <davem@davemloft.net>,
	johannes@sipsolutions.net, netdev@vger.kernel.org,
	kaber@trash.net, johannes.berg@intel.com
Subject: Re: rhashtable: Add cap on number of elements in hash table
Date: Fri, 24 Apr 2015 09:15:39 +0100	[thread overview]
Message-ID: <20150424081539.GN21799@casper.infradead.org> (raw)
In-Reply-To: <20150424081224.GA29599@gondor.apana.org.au>

On 04/24/15 at 04:12pm, Herbert Xu wrote:
> On Fri, Apr 24, 2015 at 09:06:08AM +0100, Thomas Graf wrote:
> >
> > Which users are you talking about? Both Netlink and TIPC still
> > have an upper limit. nft sets are controlled by privileged users.
> 
> There is no limit in netlink apart from UINT_MAX AFAICS.  Allowing
> UINT_MAX entries into a hash table limited to 64K is not a good
> thing.

OK, so you are saying that the Netlink limit is too low? Then let's
fix that.

You are claiming that the rhashtable convertion removed a cap. I'm
not seeing such a change. Can you point me to where netlink_insert()
enforced a cap pre-rhashtable?

  reply	other threads:[~2015-04-24  8:15 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-23 14:38 [PATCH] rhashtable: don't attempt to grow when at max_size Johannes Berg
2015-04-23 15:59 ` David Miller
2015-04-23 16:09   ` Johannes Berg
2015-04-23 16:16     ` Daniel Borkmann
2015-04-24  0:57   ` rhashtable: Add cap on number of elements in hash table Herbert Xu
2015-04-24  7:01     ` Johannes Berg
2015-04-24  8:04       ` Herbert Xu
2015-04-24  8:06     ` Thomas Graf
2015-04-24  8:12       ` Herbert Xu
2015-04-24  8:15         ` Thomas Graf [this message]
2015-04-24  8:22           ` Herbert Xu
2015-04-24 15:38             ` David Miller
2015-05-13  8:06     ` Herbert Xu
2015-05-15  2:22       ` David Miller
2015-05-15  3:06         ` Herbert Xu
2015-05-15  3:46           ` David Miller
2015-05-15  6:30             ` Herbert Xu
2015-05-16 22:09               ` David Miller
2015-05-17  1:38                 ` Herbert Xu
2015-05-18 20:12                   ` David Miller
2015-05-18 22:35                     ` Herbert Xu
2015-05-19 10:25                       ` David Laight
2015-05-15  3:30       ` [v2 PATCH] " Herbert Xu
2015-05-16 22:08         ` David Miller
2015-04-23 20:46 ` [PATCH] rhashtable: don't attempt to grow when at max_size Thomas Graf
2015-04-23 20:49   ` Johannes Berg

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