[patch 11/19] sched/mmcid: Move initialization out of line

Thomas Gleixner posted 19 patches 2 months ago
There is a newer version of this series
[patch 11/19] sched/mmcid: Move initialization out of line
Posted by Thomas Gleixner 2 months ago
It's getting bigger soon, so just move it out of line to the rest of the
code.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 include/linux/mm_types.h |   15 +--------------
 kernel/sched/core.c      |   14 ++++++++++++++
 2 files changed, 15 insertions(+), 14 deletions(-)

--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -1305,20 +1305,7 @@ static inline unsigned long *mm_cidmask(
 	return (unsigned long *)cid_bitmap;
 }
 
-static inline void mm_init_cid(struct mm_struct *mm, struct task_struct *p)
-{
-	int i;
-
-	for_each_possible_cpu(i) {
-		struct mm_cid_pcpu *pcpu = per_cpu_ptr(mm->mm_cid.pcpu, i);
-
-		pcpu->cid = MM_CID_UNSET;
-	}
-	mm->mm_cid.nr_cpus_allowed = p->nr_cpus_allowed;
-	raw_spin_lock_init(&mm->mm_cid.lock);
-	cpumask_copy(mm_cpus_allowed(mm), &p->cpus_mask);
-	bitmap_zero(mm_cidmask(mm), nr_cpu_ids);
-}
+void mm_init_cid(struct mm_struct *mm, struct task_struct *p);
 
 static inline int mm_alloc_cid_noprof(struct mm_struct *mm, struct task_struct *p)
 {
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -10466,6 +10466,20 @@ void sched_mm_cid_fork(struct task_struc
 	WARN_ON_ONCE(!t->mm || t->mm_cid.cid != MM_CID_UNSET);
 	t->mm_cid.active = 1;
 }
+
+void mm_init_cid(struct mm_struct *mm, struct task_struct *p)
+{
+	struct mm_cid_pcpu __percpu *pcpu = mm->mm_cid.pcpu;
+	int cpu;
+
+	for_each_possible_cpu(cpu)
+		per_cpu_ptr(pcpu, cpu)->cid = MM_CID_UNSET;
+
+	mm->mm_cid.nr_cpus_allowed = p->nr_cpus_allowed;
+	raw_spin_lock_init(&mm->mm_cid.lock);
+	cpumask_copy(mm_cpus_allowed(mm), &p->cpus_mask);
+	bitmap_zero(mm_cidmask(mm), nr_cpu_ids);
+}
 #else /* CONFIG_SCHED_MM_CID */
 static inline void mm_update_cpus_allowed(struct mm_struct *mm, const struct cpumask *affmsk) { }
 #endif /* !CONFIG_SCHED_MM_CID */