lkml.org 
[lkml]   [2009]   [Oct]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    From
    SubjectRe: [PATCH 10/19] workqueue: update cwq alignement and make one more flag bit available
    Date
    Tejun Heo <tj@kernel.org> wrote:

    > +enum {
    > + WORK_STRUCT_PENDING = 0, /* work item is pending execution */
    > +
    > + /*
    > + * Reserve 3bits off of cwq pointer. This is enough and
    > + * provides acceptable alignment on both 32 and 64bit
    > + * machines.
    > + */
    > + WORK_STRUCT_FLAG_BITS = 3,
    > +
    > + WORK_STRUCT_FLAG_MASK = (1UL << WORK_STRUCT_FLAG_BITS) - 1,
    > + WORK_STRUCT_WQ_DATA_MASK = ~WORK_STRUCT_FLAG_MASK,
    > +};

    There's some great enum abuse going on here:-)

    David


    \
     
     \ /
      Last update: 2009-10-01 15:11    [W:0.020 / U:1.532 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site