From: Stephen Hemminger <shemminger@vyatta.com>
To: David Miller <davem@davemloft.net>
Cc: opurdila@ixiacom.com, netdev@vger.kernel.org
Subject: Re: [PATCH] [next-next-2.6] net: configurable device name hash
Date: Wed, 11 Nov 2009 13:33:42 -0800 [thread overview]
Message-ID: <20091111133342.1011e16a@nehalam> (raw)
In-Reply-To: <20091111.124235.243348591.davem@davemloft.net>
On Wed, 11 Nov 2009 12:42:35 -0800 (PST)
David Miller <davem@davemloft.net> wrote:
> From: Octavian Purdila <opurdila@ixiacom.com>
> Date: Wed, 11 Nov 2009 21:38:44 +0200
>
> > I don't think we can dynamically size it at boot time since it
> > depends on the usage pattern which is impossible to determine at
> > boot time, right?
>
> We have no idea how many sockets will be used by the system yet we
> dynamically size the socket hash tables.
>
> Please do some research and see how we handle this elsewhere in the
> networking.
dcache also sizes hash bits at boot time on available memory.
See alloc_large_system_hash().
next prev parent reply other threads:[~2009-11-11 21:33 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-11 19:16 [PATCH] [next-next-2.6] net: configurable device name hash Octavian Purdila
2009-11-11 19:21 ` David Miller
2009-11-11 19:38 ` Octavian Purdila
2009-11-11 20:08 ` Eric Dumazet
2009-11-11 20:32 ` Octavian Purdila
2009-11-11 20:42 ` David Miller
2009-11-11 21:33 ` Stephen Hemminger [this message]
2009-11-11 21:47 ` Octavian Purdila
2009-11-11 22:24 ` Stephen Hemminger
2009-11-12 2:36 ` David Miller
2009-11-12 12:46 ` Mark Smith
2009-11-12 14:09 ` Eric Dumazet
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