1 files changed, 11 insertions, 0 deletions

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 7c3f8d7e2d8e..f7cc08dad26a 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -6008,6 +6008,17 @@ bool has_unmovable_pages(struct zone *zone, struct page *page, int count,
                         continue;
 
                 page = pfn_to_page(check);
+
+                /*
+                 * Hugepages are not in LRU lists, but they're movable.
+                 * We need not scan over tail pages bacause we don't
+                 * handle each tail page individually in migration.
+                 */
+                if (PageHuge(page)) {
+                        iter = round_up(iter + 1, 1<<compound_order(page)) - 1;
+                        continue;
+                }
+
                 /*
                  * We can't use page_count without pin a page
                  * because another CPU can free compound page.