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    SubjectRe: [PATCH 09/40] autonuma: introduce kthread_bind_node()
    On 06/29/2012 12:04 PM, Peter Zijlstra wrote:
    > On Fri, 2012-06-29 at 11:36 -0400, Rik van Riel wrote:
    >> On 06/28/2012 08:55 AM, Andrea Arcangeli wrote:
    >>
    >>> --- a/include/linux/sched.h
    >>> +++ b/include/linux/sched.h
    >>> @@ -1792,7 +1792,7 @@ extern void thread_group_times(struct task_struct *p, cputime_t *ut, cputime_t *
    >>> #define PF_SWAPWRITE 0x00800000 /* Allowed to write to swap */
    >>> #define PF_SPREAD_PAGE 0x01000000 /* Spread page cache over cpuset */
    >>> #define PF_SPREAD_SLAB 0x02000000 /* Spread some slab caches over cpuset */
    >>> -#define PF_THREAD_BOUND 0x04000000 /* Thread bound to specific cpu */
    >>> +#define PF_THREAD_BOUND 0x04000000 /* Thread bound to specific cpus */
    >>> #define PF_MCE_EARLY 0x08000000 /* Early kill for mce process policy */
    >>> #define PF_MEMPOLICY 0x10000000 /* Non-default NUMA mempolicy */
    >>> #define PF_MUTEX_TESTER 0x20000000 /* Thread belongs to the rt mutex tester */
    >>
    >> Changing the semantics of PF_THREAD_BOUND without so much as
    >> a comment in your changelog or buy-in from the scheduler
    >> maintainers is a big no-no.
    >
    > In fact I've already said a number of times this patch isn't going
    > anywhere.

    Which is probably fine, because I see no reason why Andrea's
    numa threads would need PF_THREAD_BOUND in the first place.

    Andrea?

    --
    All rights reversed


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