linux-kernel - Re: [PATCH] linux/kernel.h: merge ARRAY_AND

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Date:	Tue, 23 Dec 2014 21:44:39 -0800
From:	Joe Perches <joe@...ches.com>
To:	Masahiro Yamada <yamada.m@...panasonic.com>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Eric Miao <eric.y.miao@...il.com>,
	Haojian Zhuang <haojian.zhuang@...il.com>,
	Russell King <linux@....linux.org.uk>,
	Daniel Mack <daniel@...que.org>,
	Robert Jarzmik <robert.jarzmik@...e.fr>,
	Linus Walleij <linus.walleij@...aro.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Michal Nazarewicz <mina86@...a86.com>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Daniel Borkmann <dborkman@...hat.com>,
	Alex Elder <alex.elder@...aro.org>,
	Daniel Walter <dwalter@...gle.com>,
	Peter Hurley <peter@...leysoftware.com>,
	linux-arm-kernel@...ts.infradead.org, linux-gpio@...r.kernel.org
Subject: Re: [PATCH] linux/kernel.h: merge ARRAY_AND_SIZE defines

On Wed, 2014-12-24 at 14:38 +0900, Masahiro Yamada wrote:
> ARRAY_AND_SIZE is a useful macro.  Its definition is already
> duplicated in some headers.  Move it to include/linux/kernel.h.

I think it's not a good/useful macro and
would prefer the uses expanded instead.

The uses of ARRAY_AND_SIZE in structure
definitions aren't particularly bad, but the
ARRAY_AND_SIZE uses that hide the number of
arguments in a function I think are suboptimal.


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