From: Oscar Salvador <osalvador@xxxxxxx> Subject: mm,hugetlb: remove unneeded initialization hugetlb_add_hstate initializes nr_huge_pages and free_huge_pages to 0, but since hstates[] is a global variable, all its fields are defined to 0 already. Link: https://lkml.kernel.org/r/20201119112141.6452-1-osalvador@xxxxxxx Signed-off-by: Oscar Salvador <osalvador@xxxxxxx> Reviewed-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx> Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/hugetlb.c | 2 -- 1 file changed, 2 deletions(-) --- a/mm/hugetlb.c~mmhugetlb-remove-unneded-initialization +++ a/mm/hugetlb.c @@ -3198,8 +3198,6 @@ void __init hugetlb_add_hstate(unsigned h = &hstates[hugetlb_max_hstate++]; h->order = order; h->mask = ~((1ULL << (order + PAGE_SHIFT)) - 1); - h->nr_huge_pages = 0; - h->free_huge_pages = 0; for (i = 0; i < MAX_NUMNODES; ++i) INIT_LIST_HEAD(&h->hugepage_freelists[i]); INIT_LIST_HEAD(&h->hugepage_activelist); _
