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

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Message-Id: <C55D1711-151F-439C-8412-B9AFE09097DC@gmail.com>
Date:	Fri, 10 Feb 2012 09:09:09 -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 8:58 AM, Alexey Dobriyan wrote:
> No,
> 
> If one dimension is constant, limit should be divided by it, so
> compiler would have less chance
> to screw up compile time evaluation.

I think the BUILD_BUG_ON macro can prevent that misuse.

- xi
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