[PATCH] sched/headers: remove useless code in mm_cid_get()
From: Su Hui
Date: Thu Sep 05 2024 - 05:13:20 EST
Clang static checker (scan-build) warning:
In file included from kernel/sched/core.c:88:
kernel/sched/sched.h:3501:2: warning: Value stored to 'cpumask' is never read
3501 | cpumask = mm_cidmask(mm);
| ^ ~~~~~~~~~~~~~~
'cpumask' has never been used before, delete it to save some space.
Signed-off-by: Su Hui <suhui@xxxxxxxxxxxx>
---
kernel/sched/sched.h | 2 --
1 file changed, 2 deletions(-)
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 4c36cc680361..d4088f1b8984 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -3494,11 +3494,9 @@ static inline int __mm_cid_get(struct rq *rq, struct mm_struct *mm)
static inline int mm_cid_get(struct rq *rq, struct mm_struct *mm)
{
struct mm_cid __percpu *pcpu_cid = mm->pcpu_cid;
- struct cpumask *cpumask;
int cid;
lockdep_assert_rq_held(rq);
- cpumask = mm_cidmask(mm);
cid = __this_cpu_read(pcpu_cid->cid);
if (mm_cid_is_valid(cid)) {
mm_cid_snapshot_time(rq, mm);
--
2.30.2