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-rw-r--r--arch/sparc/kernel/smp_64.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index f7ba87543e5f..c9300bfaee5a 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -1467,6 +1467,13 @@ static void __init pcpu_populate_pte(unsigned long addr)
pud_t *pud;
pmd_t *pmd;
+ if (pgd_none(*pgd)) {
+ pud_t *new;
+
+ new = __alloc_bootmem(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE);
+ pgd_populate(&init_mm, pgd, new);
+ }
+
pud = pud_offset(pgd, addr);
if (pud_none(*pud)) {
pmd_t *new;