This function can run on systems where physical addresses don't
fit in unsigned long, so make sure to use the macro that contains the
proper cast.
Signed-off-by: Scott Wood <scottw...@freescale.com>
---
arch/powerpc/mm/mem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 7297d204..07052d9 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -563,7 +563,7 @@ subsys_initcall(add_system_ram_resources);
*/
int devmem_is_allowed(unsigned long pfn)
{
- if (iomem_is_exclusive(pfn << PAGE_SHIFT))
+ if (iomem_is_exclusive(PFN_PHYS(pfn)))
return 0;
if (!page_is_ram(pfn))
return 1;
--
2.1.0
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