diff options
| author | Muchun Song <songmuchun@bytedance.com> | 2023-02-23 14:59:47 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-03-28 16:20:06 -0700 |
| commit | 12318566c5507a5ff4507d5bc5fe45895ffb0e05 (patch) | |
| tree | 001ee3b23ceeeedabf889e69a6df794de0fccdad | |
| parent | bdd034de3a28ffdacab528aebad17f1df968180c (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.c | 14 |
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; |