netdev - Re: [PATCH 1/3 v2][NET] gen_estimator: faster gen_kill

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Date:	Mon, 21 Jan 2008 16:29:18 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	jarkao2@...il.com
Cc:	netdev@...r.kernel.org, slavon@...telecom.ru, kaber@...sh.net,
	hadi@...erus.ca
Subject: Re: [PATCH 1/3 v2][NET] gen_estimator: faster gen_kill_estimator

From: Jarek Poplawski <jarkao2@...il.com>
Date: Mon, 21 Jan 2008 23:31:37 +0100

> 
> So, let's try something easy first: #ifdef __KERNEL__. (I know there
> are many esthetes around, but since this subject looks quite dirty...)

You can't do this, the attribute is copied to the user netlink SKB
using sizeof(struct gnet_stats_rate_est) as the size (or more
specifically sizeof(*p) where p is a pointer to this structure).

Therefore this new patch has the same exact problem.

Fix this right, make a structure like:

struct kernel_gnet_stats_rate_est {
	struct gnet_stats_rate_est	est;
	void				*gen_estimator;
}

And update all the code as needed.
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