ARC: mm: support 4 levels of page tables

[linux-2.6-microblaze.git] / arch / arc / mm / fault.c

diff --git a/arch/arc/mm/fault.c b/arch/arc/mm/fault.c
index 8da2f0a..f899416 100644 (file)
--- a/arch/arc/mm/fault.c
+++ b/arch/arc/mm/fault.c
@@ -46,6 +46,8 @@ noinline static int handle_kernel_vaddr_fault(unsigned long address)
        if (!p4d_present(*p4d_k))
                goto bad_area;
 
+       set_p4d(p4d, *p4d_k);
+
        pud = pud_offset(p4d, address);
        pud_k = pud_offset(p4d_k, address);
        if (!pud_present(*pud_k))