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    SubjectRe: [PATCH] module: avoid call vmalloc if init size is zero
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    On Mon, 30 Jan 2012 11:28:12 +0400, Dmitry Antipov <dmitry.antipov@linaro.org> wrote:
    > On 01/27/2012 03:21 PM, Rusty Russell wrote:
    >
    > > Please fix __vmalloc_node_range() instead to return ZERO_SIZE_PTR.
    > > And of course, vfree() to use ZERO_OR_NULL_PTR().
    >
    > For the convenience and uniformity, should {alloc,free}_percpu() be
    > also modified in that way?

    Yep!

    Thanks,
    Rusty.


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