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-rw-r--r--arch/sparc/mm/io-unit.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/sparc/mm/io-unit.c b/arch/sparc/mm/io-unit.c
index f770ee7229d8..33a0facd9eb5 100644
--- a/arch/sparc/mm/io-unit.c
+++ b/arch/sparc/mm/io-unit.c
@@ -239,12 +239,16 @@ static void *iounit_alloc(struct device *dev, size_t len,
page = va;
{
pgd_t *pgdp;
+ p4d_t *p4dp;
+ pud_t *pudp;
pmd_t *pmdp;
pte_t *ptep;
long i;
pgdp = pgd_offset(&init_mm, addr);
- pmdp = pmd_offset(pgdp, addr);
+ p4dp = p4d_offset(pgdp, addr);
+ pudp = pud_offset(p4dp, addr);
+ pmdp = pmd_offset(pudp, addr);
ptep = pte_offset_map(pmdp, addr);
set_pte(ptep, mk_pte(virt_to_page(page), dvma_prot));