[patch 148/181] mm/hugetlb: a page from buddy is not on any list

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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);
_




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