Commit c78a7f36 authored by Miaohe Lin's avatar Miaohe Lin Committed by Linus Torvalds
Browse files

mm/hugetlb: use helper huge_page_order and pages_per_huge_page 

Since commit a5516438 ("hugetlb: modular state for hugetlb page
size"), we can use huge_page_order to access hstate->order and
pages_per_huge_page to fetch the pages per huge page.  But
gather_bootmem_prealloc() forgot to use it.

Link: https://lkml.kernel.org/r/20210114114435.40075-1-linmiaohe@huawei.com


Signed-off-by: default avatarMiaohe Lin <linmiaohe@huawei.com>
Reviewed-by: default avatarDavid Hildenbrand <david@redhat.com>
Reviewed-by: default avatarMike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 0aa7f354

mm/hugetlb.c

+2 −2
Original line number Diff line number Diff line
@@ -2476,7 +2476,7 @@ static void __init gather_bootmem_prealloc(void) 
		struct hstate *h = m->hstate;



		WARN_ON(page_count(page) != 1);

		prep_compound_huge_page(page, h->order);

		prep_compound_huge_page(page, huge_page_order(h));

		WARN_ON(PageReserved(page));

		prep_new_huge_page(h, page, page_to_nid(page));

		put_page(page); /* free it into the hugepage allocator */
@@ -2488,7 +2488,7 @@ static void __init gather_bootmem_prealloc(void) 
		 * side-effects, like CommitLimit going negative.

		 */

		if (hstate_is_gigantic(h))

			adjust_managed_page_count(page, 1 << h->order);

			adjust_managed_page_count(page, pages_per_huge_page(h));

		cond_resched();

	}

}