sparc32: Add pmd_pfn()
We need to use this function in common code; pull it out of pmd_page().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h
index ffccfe3..4866625 100644
--- a/arch/sparc/include/asm/pgtable_32.h
+++ b/arch/sparc/include/asm/pgtable_32.h
@@ -127,11 +127,16 @@ static inline int srmmu_device_memory(unsigned long x)
return ((x & 0xF0000000) != 0);
}
+static inline unsigned long pmd_pfn(pmd_t pmd)
+{
+ return (pmd_val(pmd) & SRMMU_PTD_PMASK) >> (PAGE_SHIFT-4);
+}
+
static inline struct page *pmd_page(pmd_t pmd)
{
if (srmmu_device_memory(pmd_val(pmd)))
BUG();
- return pfn_to_page((pmd_val(pmd) & SRMMU_PTD_PMASK) >> (PAGE_SHIFT-4));
+ return pfn_to_page(pmd_pfn(pmd));
}
static inline unsigned long __pmd_page(pmd_t pmd)
