netdev - Re: [PATCH iproute2 v4] lib: Replace 16384 netlink buf size by macro

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Message-Id: <20150227.123831.436431838595846209.davem@davemloft.net>
Date:	Fri, 27 Feb 2015 12:38:31 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	vadim4j@...il.com
Cc:	stephen@...workplumber.org, netdev@...r.kernel.org
Subject: Re: [PATCH iproute2 v4] lib: Replace 16384 netlink buf size by
 macro

From: Vadim Kochan <vadim4j@...il.com>
Date: Fri, 27 Feb 2015 08:31:40 +0200

> From: Vadim Kochan <vadim4j@...il.com>
> 
> Replaced hard coded 16384 netlink buffer size by NLBUF_SIZE,
> which can be overridden by -DNLBUF_SIZE.
> 
> Signed-off-by: Vadim Kochan <vadim4j@...il.com>

I would like to know what problem is solved by changing this to
any other value?

And then I would like to know why other potential solutions to
this problem were not considered, such as making the buffer size
dynamic and run-time selectable, perhaps with a size choosen
in a manner to avoid whatever problem you hit with the current
size.
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