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    SubjectRe: [PATCH 6/8] cpumask: Optimize cpumask_of_cpu in lib/smp_processor_id.c

    * Ingo Molnar <mingo@elte.hu> wrote:

    > hmmm:
    >
    > > --- linux-2.6.tip.orig/lib/smp_processor_id.c
    > > +++ linux-2.6.tip/lib/smp_processor_id.c
    >
    > > unsigned long preempt_count = preempt_count();
    > > int this_cpu = raw_smp_processor_id();
    > > - cpumask_t this_mask;
    > > + cpumask_of_cpu_ptr_declare(this_mask);
    >
    > > - this_mask = cpumask_of_cpu(this_cpu);
    > > + cpumask_of_cpu_ptr_next(this_mask, cpu);
    >
    > 'cpu' is not declared ...

    commit 06f8d00e9eecb738c99b737ac38a585ea7583ad5
    Author: Ingo Molnar <mingo@elte.hu>
    Date: Fri Jul 18 22:34:00 2008 +0200

    cpumask: Optimize cpumask_of_cpu in lib/smp_processor_id.c, fix

    fix typo.

    Signed-off-by: Ingo Molnar <mingo@elte.hu>
    ---
    lib/smp_processor_id.c | 2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)

    diff --git a/lib/smp_processor_id.c b/lib/smp_processor_id.c
    index 9fb2df0..c4381d9 100644
    --- a/lib/smp_processor_id.c
    +++ b/lib/smp_processor_id.c
    @@ -23,7 +23,7 @@ notrace unsigned int debug_smp_processor_id(void)
    * Kernel threads bound to a single CPU can safely use
    * smp_processor_id():
    */
    - cpumask_of_cpu_ptr_next(this_mask, cpu);
    + cpumask_of_cpu_ptr_next(this_mask, this_cpu);

    if (cpus_equal(current->cpus_allowed, *this_mask))
    goto out;

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