1 files changed, 2 insertions, 0 deletions

diff --git a/lib/ioremap.c b/lib/ioremap.c
index a95161d9c883..0a2ffadc6d71 100644
--- a/lib/ioremap.c
+++ b/lib/ioremap.c
@@ -30,6 +30,8 @@ early_param("nohugeiomap", set_nohugeiomap);
 void __init ioremap_huge_init(void)
 {
         if (!ioremap_huge_disabled) {
+                if (arch_ioremap_p4d_supported())
+                        ioremap_p4d_capable = 1;
                 if (arch_ioremap_pud_supported())
                         ioremap_pud_capable = 1;
                 if (arch_ioremap_pmd_supported())