[Devel] Re: [PATCH 0/8 net-2.6.26] [NETNS]: namespace refcounting cleanup
David Miller
davem at davemloft.net
Wed Apr 16 02:07:54 PDT 2008
From: "Denis V. Lunev" <den at openvz.org>
Date: Tue, 15 Apr 2008 16:35:59 +0400
> Network namespace has two referrence counters:
> - count
> - use_count.
> The namespace is scheduled to destruction automatically when the count
> becomes 0.
>
> There are several SLAB objects with a pointer to a namespace on them.
> These objects are cleaned up during namespace stop. Some of them
> increment use_count, some don't. This set fixes this discrepancy,
> i.e. now all such objects increment the use_count.
>
> Though, the use_count itself is used in a very debug manner and checked
> only during namespace stop. So, I have placed it under
> NETNS_REFCNT_DEBUG definition exactly like this is done for socket
> refcounting code to remove extra atomic from any possible fast paths.
>
> Signed-off-by: Denis V. Lunev <den at openvz.org>
This is a notification that the Linux NETDEV Patch Robot has used all
automated tools known to man to validate your patches, and has decided
to apply then to the net-2.6.26 GIT tree.
*beep* *beep*
You may continue hacking.
*beep* *beep*
Have a pleasant day.
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