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| author | Thomas Gleixner <tglx@linutronix.de> | 2016-05-11 14:23:31 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-05-12 09:55:36 +0200 |
| commit | 50605ffbdaf6d7ccab70d4631fd8347fc78af14f (patch) | |
| tree | 4da2d3c09f4af5712d72471b5bb93174dcf857cc /include/linux/sched.h | |
| parent | ade42e092b5d1fb9a77b026f019b9953d66f1573 (diff) | |
| download | lwn-50605ffbdaf6d7ccab70d4631fd8347fc78af14f.tar.gz lwn-50605ffbdaf6d7ccab70d4631fd8347fc78af14f.zip | |
sched/core: Provide a tsk_nr_cpus_allowed() helper
tsk_nr_cpus_allowed() is an accessor for task->nr_cpus_allowed which allows
us to change the representation of ->nr_cpus_allowed if required.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org
Link: http://lkml.kernel.org/r/1462969411-17735-2-git-send-email-bigeasy@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index f8fea8a5b5ab..38526b67e787 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1930,6 +1930,11 @@ extern int arch_task_struct_size __read_mostly; /* Future-safe accessor for struct task_struct's cpus_allowed. */ #define tsk_cpus_allowed(tsk) (&(tsk)->cpus_allowed) +static inline int tsk_nr_cpus_allowed(struct task_struct *p) +{ + return p->nr_cpus_allowed; +} + #define TNF_MIGRATED 0x01 #define TNF_NO_GROUP 0x02 #define TNF_SHARED 0x04 |