linux-kernel - Re: [PATCH RFC v2] slab: introduce kmalloc

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Message-Id: <3F3C1079-91B3-4AD4-97ED-EACAD3CB085F@gmail.com>
Date:	Fri, 10 Feb 2012 08:55:02 -0500
From:	Xi Wang <xi.wang@...il.com>
To:	Alexey Dobriyan <adobriyan@...il.com>
Cc:	Jens Axboe <axboe@...nel.dk>, Pekka Enberg <penberg@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Dan Carpenter <dan.carpenter@...cle.com>,
	linux-kernel@...r.kernel.org, Christoph Lameter <cl@...ux.com>,
	Matt Mackall <mpm@...enic.com>,
	David Rientjes <rientjes@...gle.com>
Subject: Re: [PATCH RFC v2] slab: introduce kmalloc_array

On Feb 10, 2012, at 8:11 AM, Alexey Dobriyan wrote:
>> It should be named kaalloc(), I think.

I like this shorter name.  Let's see what others think. ;-)

>> Why it is ULONG_MAX, when size_t is used?

Is there a SIZE_MAX or something similar?

> Also, it could be written more "robust" against people who will make
> sizeof() the first argument with __builtin_constant_p().

Do you mean something like this?

  BUILD_BUG_ON(__builtin_constant_p(n));

or

  BUILD_BUG_ON(__builtin_constant_p(n) && !__builtin_constant_p(size));

- xi
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