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-rw-r--r--arch/x86/mm/ioremap.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index c43b6b33463a..e4f7b25df18e 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -426,7 +426,8 @@ static inline pmd_t * __init early_ioremap_pmd(unsigned long addr)
/* Don't assume we're using swapper_pg_dir at this point */
pgd_t *base = __va(read_cr3());
pgd_t *pgd = &base[pgd_index(addr)];
- pud_t *pud = pud_offset(pgd, addr);
+ p4d_t *p4d = p4d_offset(pgd, addr);
+ pud_t *pud = pud_offset(p4d, addr);
pmd_t *pmd = pmd_offset(pud, addr);
return pmd;