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SubjectRe: [PATCH 1/3] percpu: use ZERO_SIZE_PTR / ZERO_OR_NULL_PTR
On Mon, 30 Jan 2012, Dmitry Antipov wrote:

> Fix pcpu_alloc() to return ZERO_SIZE_PTR if requested size is 0;
> fix free_percpu() to check passed pointer with ZERO_OR_NULL_PTR.

Acked-by: Christoph Lameter <cl@linux.com>


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