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-rw-r--r--arch/powerpc/mm/pgtable.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/mm/pgtable.c b/arch/powerpc/mm/pgtable.c
index 83dfd7925..de37ff445 100644
--- a/arch/powerpc/mm/pgtable.c
+++ b/arch/powerpc/mm/pgtable.c
@@ -243,3 +243,11 @@ void assert_pte_locked(struct mm_struct *mm, unsigned long addr)
}
#endif /* CONFIG_DEBUG_VM */
+unsigned long vmalloc_to_phys(void *va)
+{
+ unsigned long pfn = vmalloc_to_pfn(va);
+
+ BUG_ON(!pfn);
+ return __pa(pfn_to_kaddr(pfn)) + offset_in_page(va);
+}
+EXPORT_SYMBOL_GPL(vmalloc_to_phys);