From: Wei Yang <richard.weiyang@xxxxxxxxxxxxxxxxx> Subject: mm/hugetlb: a page from buddy is not on any list The page allocated from buddy is not on any list, so just use list_add() is enough. Link: https://lkml.kernel.org/r/20200831022351.20916-6-richard.weiyang@xxxxxxxxxxxxxxxxx Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxxxxxxxxxx> Reviewed-by: Baoquan He <bhe@xxxxxxxxxx> Reviewed-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx> Cc: Vlastimil Babka <vbabka@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/hugetlb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/hugetlb.c~mm-hugetlb-a-page-from-buddy-is-not-on-any-list +++ a/mm/hugetlb.c @@ -2416,7 +2416,7 @@ struct page *alloc_huge_page(struct vm_a h->resv_huge_pages--; } spin_lock(&hugetlb_lock); - list_move(&page->lru, &h->hugepage_activelist); + list_add(&page->lru, &h->hugepage_activelist); /* Fall through */ } hugetlb_cgroup_commit_charge(idx, pages_per_huge_page(h), h_cg, page); _
