Re: [GIT]: Networking

David Miller
2009-06-17T11:32:39Z

From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 16 Jun 2009 22:12:03 +0200

> [PATCH] net: sk_wmem_alloc has initial value of one, not zero
>
> commit 2b85a34e911bf483c27cfdd124aeb1605145dc80
> (net: No more expensive sock_hold()/sock_put() on each tx)
> changed initial sk_wmem_alloc value.
>
> Some protocols check sk_wmem_alloc value to determine if a timer
> must delay socket deallocation. We must take care of the sk_wmem_alloc
> value being one instead of zero when no write allocations are pending.
>
> Reported by Ingo Molnar, and full diagnostic from David Miller.
>
> This patch introduces three helpers to get read/write allocations
> and a followup patch will use these helpers to report correct
> write allocations to user.
>
> Reported-by: Ingo Molnar <mingo@elte.hu>
> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>

Applied, thanks Eric.