diff mbox series

[5.10,566/593] mm/hugetlb: use helper huge_page_order and pages_per_huge_page

Message ID 20210712060957.055904365@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman July 12, 2021, 6:12 a.m. UTC 
From: Miaohe Lin <linmiaohe@huawei.com>

[ Upstream commit c78a7f3639932c48b4e1d329fc80fd26aa1a2fa3 ]

Since commit a5516438959d ("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: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 mm/hugetlb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index d4f89c2f9544..991b5cd40267 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -2500,7 +2500,7 @@  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 */
@@ -2512,7 +2512,7 @@  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();
 	}
 }