[PATCH v2 3/4] sched_ext: Drop unused scx_cpumask_to_cmask()

scx_cpumask_to_cmask() has no callers.

Signed-off-by: Tejun Heo <[email protected]>
---
 kernel/sched/ext/cid.c | 21 ---------------------
 kernel/sched/ext/cid.h |  1 -
 2 files changed, 22 deletions(-)

diff --git a/kernel/sched/ext/cid.c b/kernel/sched/ext/cid.c
index 9dfd242be34f..5f990d95735f 100644
--- a/kernel/sched/ext/cid.c
+++ b/kernel/sched/ext/cid.c
@@ -371,27 +371,6 @@ void scx_cmask_fill(struct scx_cmask *m)
 		m->bits[nr_words - 1] &= (1ULL << tail_bits) - 1;
 }
 
-/**
- * scx_cpumask_to_cmask - Translate a kernel cpumask into a cmask
- * @src: source cpumask
- * @dst: cmask to write
- *
- * Clear @dst's active range and set the bit for each cid whose cpu is in
- * @src and lies within that range. Out-of-range cids are silently ignored.
- */
-void scx_cpumask_to_cmask(const struct cpumask *src, struct scx_cmask *dst)
-{
-	s32 cpu;
-
-	scx_cmask_clear(dst);
-	for_each_cpu(cpu, src) {
-		s32 cid = __scx_cpu_to_cid(cpu);
-
-		if (cid >= 0)
-			__scx_cmask_set(cid, dst);
-	}
-}
-
 /*
  * Return the index of the largest entry in @counts, or NUMA_NO_NODE if all
  * entries are zero. Ties resolve to the lowest index.
diff --git a/kernel/sched/ext/cid.h b/kernel/sched/ext/cid.h
index b36a1a28eac8..470ac9224da4 100644
--- a/kernel/sched/ext/cid.h
+++ b/kernel/sched/ext/cid.h
@@ -68,7 +68,6 @@ bool scx_cmask_intersects(const struct scx_cmask *a, const struct scx_cmask *b);
 bool scx_cmask_empty(const struct scx_cmask *m);
 s32 scx_cid_init(struct scx_sched *sch);
 int scx_cid_kfunc_init(void);
-void scx_cpumask_to_cmask(const struct cpumask *src, struct scx_cmask *dst);
 
 /**
  * cid_valid - Verify a cid value, to be used on ops input args
-- 
2.55.0