diff options
| author |   Miaohe Lin <linmiaohe@huawei.com> | 2022-09-01 20:00:26 +0800 |
|---|---|---|
| committer |   Andrew Morton <akpm@linux-foundation.org> | 2022-09-11 20:26:09 -0700 |
| commit | 12658abfc59ddf2ed176fce461e83f392ff18e5b (patch) | |
| tree | b34911a69de1dfb909086e5e29604042771d5ed6 /mm/hugetlb.c | |
| parent | hugetlb: use helper {huge_pte|pmd}_lock() (diff) | |
| download | linux-dev-12658abfc59ddf2ed176fce461e83f392ff18e5b.tar.xz linux-dev-12658abfc59ddf2ed176fce461e83f392ff18e5b.zip | |
hugetlb: pass NULL to kobj_to_hstate() if nid is unused
We can pass NULL to kobj_to_hstate() directly when nid is unused to
simplify the code. No functional change intended.
Link: https://lkml.kernel.org/r/20220901120030.63318-7-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/hugetlb.c')
| -rw-r--r-- | mm/hugetlb.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index cc1d85749766..10c63fe72afa 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -3763,8 +3763,7 @@ HSTATE_ATTR_WO(demote); static ssize_t demote_size_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - int nid; - struct hstate *h = kobj_to_hstate(kobj, &nid); + struct hstate *h = kobj_to_hstate(kobj, NULL); unsigned long demote_size = (PAGE_SIZE << h->demote_order) / SZ_1K; return sysfs_emit(buf, "%lukB\n", demote_size); @@ -3777,7 +3776,6 @@ static ssize_t demote_size_store(struct kobject *kobj, struct hstate *h, *demote_hstate; unsigned long demote_size; unsigned int demote_order; - int nid; demote_size = (unsigned long)memparse(buf, NULL); @@ -3789,7 +3787,7 @@ static ssize_t demote_size_store(struct kobject *kobj, return -EINVAL; /* demote order must be smaller than hstate order */ - h = kobj_to_hstate(kobj, &nid); + h = kobj_to_hstate(kobj, NULL); if (demote_order >= h->order) return -EINVAL; |