lkml.org 
[lkml]   [2017]   [Aug]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[RFC PATCH 06/12] housekeeping: Rename is_housekeeping_cpu to housekeeping_cpu
    Date
    To keep a proper housekeeping namespace.

    Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
    Cc: Chris Metcalf <cmetcalf@mellanox.com>
    Cc: Rik van Riel <riel@redhat.com>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Thomas Gleixner <tglx@linutronix.de>
    Cc: Mike Galbraith <efault@gmx.de>
    Cc: Ingo Molnar <mingo@kernel.org>
    Cc: Christoph Lameter <cl@linux.com>
    Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
    Cc: Wanpeng Li <kernellwp@gmail.com>
    Cc: Luiz Capitulino <lcapitulino@redhat.com>
    ---
    include/linux/housekeeping.h | 2 +-
    kernel/sched/core.c | 6 +++---
    kernel/sched/fair.c | 2 +-
    3 files changed, 5 insertions(+), 5 deletions(-)

    diff --git a/include/linux/housekeeping.h b/include/linux/housekeeping.h
    index cbe8d63..320cc2b 100644
    --- a/include/linux/housekeeping.h
    +++ b/include/linux/housekeeping.h
    @@ -29,7 +29,7 @@ static inline void housekeeping_affine(struct task_struct *t) { }
    static inline void housekeeping_init(void) { }
    #endif /* CONFIG_NO_HZ_FULL */

    -static inline bool is_housekeeping_cpu(int cpu)
    +static inline bool housekeeping_cpu(int cpu)
    {
    #ifdef CONFIG_NO_HZ_FULL
    if (static_branch_unlikely(&housekeeping_overriden))
    diff --git a/kernel/sched/core.c b/kernel/sched/core.c
    index 536d6a5..fd00ae3 100644
    --- a/kernel/sched/core.c
    +++ b/kernel/sched/core.c
    @@ -527,7 +527,7 @@ int get_nohz_timer_target(void)
    int i, cpu = smp_processor_id();
    struct sched_domain *sd;

    - if (!idle_cpu(cpu) && is_housekeeping_cpu(cpu))
    + if (!idle_cpu(cpu) && housekeeping_cpu(cpu))
    return cpu;

    rcu_read_lock();
    @@ -536,14 +536,14 @@ int get_nohz_timer_target(void)
    if (cpu == i)
    continue;

    - if (!idle_cpu(i) && is_housekeeping_cpu(i)) {
    + if (!idle_cpu(i) && housekeeping_cpu(i)) {
    cpu = i;
    goto unlock;
    }
    }
    }

    - if (!is_housekeeping_cpu(cpu))
    + if (!housekeeping_cpu(cpu))
    cpu = housekeeping_any_cpu();
    unlock:
    rcu_read_unlock();
    diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
    index 5455e98..0d8f7b1 100644
    --- a/kernel/sched/fair.c
    +++ b/kernel/sched/fair.c
    @@ -8739,7 +8739,7 @@ void nohz_balance_enter_idle(int cpu)
    return;

    /* Spare idle load balancing on CPUs that don't want to be disturbed: */
    - if (!is_housekeeping_cpu(cpu))
    + if (!housekeeping_cpu(cpu))
    return;

    if (test_bit(NOHZ_TICK_STOPPED, nohz_flags(cpu)))
    --
    2.7.4
    \
     
     \ /
      Last update: 2017-08-23 03:53    [W:4.188 / U:0.148 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site