X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=mm%2Frmap.c;h=0ea5d9071b32b967d012f36e600a2ee75acd8f3d;hb=6a93792774fc72861b7e8efaa3545a88272b4413;hp=8a839935b18c000ecaa8411f0ffaf6c5ee81b998;hpb=a56f489502e28caac56c8a0735549740f0ae0711;p=mirror_ubuntu-bionic-kernel.git

diff --git a/mm/rmap.c b/mm/rmap.c
index 8a839935b18c..0ea5d9071b32 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1098,6 +1098,8 @@ void page_move_anon_rmap(struct page *page,
 
 	VM_BUG_ON_PAGE(!PageLocked(page), page);
 	VM_BUG_ON_VMA(!anon_vma, vma);
+	if (IS_ENABLED(CONFIG_DEBUG_VM) && PageTransHuge(page))
+		address &= HPAGE_PMD_MASK;
 	VM_BUG_ON_PAGE(page->index != linear_page_index(vma, address), page);
 
 	anon_vma = (void *) anon_vma + PAGE_MAPPING_ANON;