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SubjectRe: Uninline kcalloc
On Tue, 14 Feb 2012, Pekka Enberg wrote:
>> Me neither. I don't think Christoph's SAFE_ARRAY_SIZE() suggestion
>> makes much sense, really. It's more verbose, less obvious API, and
>> doesn't really deal with the overflow case cleanly.

On Tue, Feb 14, 2012 at 11:09 PM, Christoph Lameter <> wrote:
> IMHO Having a function to deal with the overflow of a multiplication and
> then do an allocation based on the result is a conflation of two different
> things that need to be separate. kcalloc only exists because there is
> an ancient user space function that somehow got a second parameter instead
> of just using the same as malloc().

It's an ancient userspace function that everybody knows how to use.
There really isn't big enough gains from SAFE_ARRAY_SIZE() to justify
a new API. And it's not as if the macro is an elegant way to solve the
problem at hand either.


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