Commit 3f1b0162 authored by Miaohe Lin's avatar Miaohe Lin Committed by Linus Torvalds
Browse files

mm/hugetlb: remove unnecessary VM_BUG_ON_PAGE on putback_active_hugepage() 

All callers know they are operating on a hugetlb head page.  So this
VM_BUG_ON_PAGE can not catch anything useful.

Link: https://lkml.kernel.org/r/20210209071151.44731-1-linmiaohe@huawei.com


Signed-off-by: default avatarMiaohe Lin <linmiaohe@huawei.com>
Reviewed-by: default avatarOscar Salvador <osalvador@suse.de>
Cc: Mike 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 07e51edf

mm/hugetlb.c

+0 −1
Original line number Diff line number Diff line
@@ -5622,7 +5622,6 @@ bool isolate_huge_page(struct page *page, struct list_head *list) 


void putback_active_hugepage(struct page *page)

{

	VM_BUG_ON_PAGE(!PageHead(page), page);

	spin_lock(&hugetlb_lock);

	set_page_huge_active(page);

	list_move_tail(&page->lru, &(page_hstate(page))->hugepage_activelist);