diff mbox series

[014/143] mm/hugetlb_cgroup: remove unnecessary VM_BUG_ON_PAGE in hugetlb_cgroup_migrate()

Message ID 20210505013328.0g7AQfwkl%akpm@linux-foundation.org (mailing list archive)
State New, archived
Headers show
Series [001/143] mm: introduce and use mapping_empty() | expand

Commit Message

Andrew Morton May 5, 2021, 1:33 a.m. UTC 
From: Miaohe Lin <linmiaohe@huawei.com>
Subject: mm/hugetlb_cgroup: remove unnecessary VM_BUG_ON_PAGE in hugetlb_cgroup_migrate()

!PageHuge(oldhpage) is implicitly checked in page_hstate() above, so we
remove this explicit one.

Link: https://lkml.kernel.org/r/20210308112809.26107-4-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/hugetlb_cgroup.c |    1 -
 1 file changed, 1 deletion(-)
diff mbox series

Patch

--- a/mm/hugetlb_cgroup.c~hugetlb_cgroup-remove-unnecessary-vm_bug_on_page-in-hugetlb_cgroup_migrate
+++ a/mm/hugetlb_cgroup.c
@@ -784,7 +784,6 @@  void hugetlb_cgroup_migrate(struct page
 	if (hugetlb_cgroup_disabled())
 		return;
 
-	VM_BUG_ON_PAGE(!PageHuge(oldhpage), oldhpage);
 	spin_lock(&hugetlb_lock);
 	h_cg = hugetlb_cgroup_from_page(oldhpage);
 	h_cg_rsvd = hugetlb_cgroup_from_page_rsvd(oldhpage);