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Date: Sun, 09 Sep 2007 10:44:49 +0200
From: Eric Dumazet <dada1@...mosbay.com>
To: "Eric W. Biederman" <ebiederm@...ssion.com>
CC: David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
Linux Containers <containers@...ts.osdl.org>
Subject: Re: [PATCH 03/16] net: Basic network namespace infrastructure.
Eric W. Biederman a écrit :
> This is the basic infrastructure needed to support network
> namespaces. This infrastructure is:
> - Registration functions to support initializing per network
> namespace data when a network namespaces is created or destroyed.
>
> - struct net. The network namespace data structure.
> This structure will grow as variables are made per network
> namespace but this is the minimal starting point.
>
> - Functions to grab a reference to the network namespace.
> I provide both get/put functions that keep a network namespace
> from being freed. And hold/release functions serve as weak references
> and will warn if their count is not zero when the data structure
> is freed. Useful for dealing with more complicated data structures
> like the ipv4 route cache.
>
> - A list of all of the network namespaces so we can iterate over them.
>
> - A slab for the network namespace data structure allowing leaks
> to be spotted.
>
> Signed-off-by: Eric W. Biederman <ebiederm@...ssion.com>
Nice work Eric !
"struct net" is not a very descriptive name imho, why dont stick "ns" or
"namespace" somewhere ?
Do we really need yet another "struct kmem_cache *net_cachep;" ?
The object is so small that the standard caches should be OK (kzalloc())
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