netdev - Re: [PATCH v4 5/6] connector/cn_proc: Performance improvements

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Date: Thu, 1 Jun 2023 09:25:33 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Anjali Kulkarni <anjali.k.kulkarni@...cle.com>
Cc: davem@...emloft.net, edumazet@...gle.com, pabeni@...hat.com,
 zbr@...emap.net, brauner@...nel.org, johannes@...solutions.net,
 ecree.xilinx@...il.com, leon@...nel.org, keescook@...omium.org,
 socketcan@...tkopp.net, petrm@...dia.com, linux-kernel@...r.kernel.org,
 netdev@...r.kernel.org
Subject: Re: [PATCH v4 5/6] connector/cn_proc: Performance improvements

On Fri, 31 Mar 2023 16:55:27 -0700 Anjali Kulkarni wrote:
> +#define FILTER
> +
> +#ifdef FILTER
> +#define NL_MESSAGE_SIZE (sizeof(struct nlmsghdr) + sizeof(struct cn_msg) + \
> +			 sizeof(struct proc_input))
> +#else
>  #define NL_MESSAGE_SIZE (sizeof(struct nlmsghdr) + sizeof(struct cn_msg) + \
>  			 sizeof(int))
> +#endif

The #define FILTER and ifdefs around it need to go, this much I can
tell you without understanding what it does :S We have the git history
we don't need to keep dead code around.