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@suse.de
Signed-off-by: Oscar Salvador <osalvador@suse.de>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 70ecc15..f94c673 100644 (file)
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -3198,8 +3198,6 @@ void __init hugetlb_add_hstate(unsigned int order)
        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);