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

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Message-ID: <20120214072017.GF26353@mwanda>
Date:	Tue, 14 Feb 2012 10:20:17 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Christoph Lameter <cl@...ux.com>
Cc:	Xi Wang <xi.wang@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jesper Juhl <jj@...osbits.net>, Jens Axboe <axboe@...nel.dk>,
	Pekka Enberg <penberg@...nel.org>,
	linux-kernel@...r.kernel.org, Matt Mackall <mpm@...enic.com>,
	David Rientjes <rientjes@...gle.com>
Subject: Re: [PATCH RFC v2] slab: introduce kmalloc_array

SAFE_ARRAY_SIZE() would return the size if there were no overflow
and -1 on errors?  We can't return zero on errors because there are
a lot of places which do zero size allocations and it's valid.  It
seems ugly.

I really think that's over thinking things.  Let's just match
kcalloc() exactly except without zeroing.  The BUILD_BUG_ON() thing
is an over complication as well.  We haven't needed it for
kcalloc().

The only impossible bit is picking the right name.

regards,
dan carpenter

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