ACPI: Fix logic for removing mappings in 'acpi_unmap'

Make sure the removal of mappings uses the same logic that put the mappings in place. Signed-off-by: Myron Stowe <[email protected]> Signed-off-by: Len Brown <[email protected]>
franciscofranco · Mar 30, 2012 · 8cdde12 · 8cdde12
1 parent 37d2a36
commit 8cdde12
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
@@ -347,7 +347,7 @@ static void acpi_unmap(acpi_physical_address pg_off, void __iomem *vaddr)
 	unsigned long pfn;
 
 	pfn = pg_off >> PAGE_SHIFT;
-	if (page_is_ram(pfn))
+	if (should_use_kmap(pfn))
 		kunmap(pfn_to_page(pfn));
 	else
 		iounmap(vaddr);