[lkml]   [2012]   [Jan]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [PATCH 1/3] percpu: use ZERO_SIZE_PTR / ZERO_OR_NULL_PTR
    On Mon, 30 Jan 2012, Tejun Heo wrote:

    > Percpu pointers are in a different address space and using
    > ZERO_SIZE_PTR directly will trigger sparse address space warning.
    > Also, I'm not entirely sure whether 16 is guaranteed to be unused in
    > percpu address space (maybe it is but I don't think we have anything
    > enforcing that).

    We are already checking for NULL on free. So there is a presumption that
    these numbers are unused.

     \ /
      Last update: 2012-01-30 18:25    [W:0.019 / U:81.060 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site