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authorMuchun Song <songmuchun@bytedance.com>2023-02-23 14:59:47 +0800
committerAndrew Morton <akpm@linux-foundation.org>2023-03-28 16:20:06 -0700
commit12318566c5507a5ff4507d5bc5fe45895ffb0e05 (patch)
tree001ee3b23ceeeedabf889e69a6df794de0fccdad
parentbdd034de3a28ffdacab528aebad17f1df968180c (diff)
mm: hugetlb_vmemmap: simplify hugetlb_vmemmap_init() a bit
The check of IS_ENABLED(CONFIG_PROC_SYSCTL) is unnecessary since register_sysctl_init() will be empty in this case. So, there is no warnings after removing the check. Link: https://lkml.kernel.org/r/20230223065947.64134-1-songmuchun@bytedance.com Signed-off-by: Muchun Song <songmuchun@bytedance.com> Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
-rw-r--r--mm/hugetlb_vmemmap.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/mm/hugetlb_vmemmap.c b/mm/hugetlb_vmemmap.c
index a559037cce00..a15cc56cf70a 100644
--- a/mm/hugetlb_vmemmap.c
+++ b/mm/hugetlb_vmemmap.c
@@ -590,17 +590,15 @@ static struct ctl_table hugetlb_vmemmap_sysctls[] = {
static int __init hugetlb_vmemmap_init(void)
{
+ const struct hstate *h;
+
/* HUGETLB_VMEMMAP_RESERVE_SIZE should cover all used struct pages */
BUILD_BUG_ON(__NR_USED_SUBPAGE * sizeof(struct page) > HUGETLB_VMEMMAP_RESERVE_SIZE);
- if (IS_ENABLED(CONFIG_PROC_SYSCTL)) {
- const struct hstate *h;
-
- for_each_hstate(h) {
- if (hugetlb_vmemmap_optimizable(h)) {
- register_sysctl_init("vm", hugetlb_vmemmap_sysctls);
- break;
- }
+ for_each_hstate(h) {
+ if (hugetlb_vmemmap_optimizable(h)) {
+ register_sysctl_init("vm", hugetlb_vmemmap_sysctls);
+ break;
}
}
return 0;