/dev/mem: use phys_addr_t for physical addresses
This patch fixes the /dev/mem driver to use phys_addr_t for physical
addresses. This is required on PAE systems, especially those that run
entirely out of >4G physical memory space.
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c
index ce8cb19..89f2b7f 100644
--- a/arch/arm/mm/mmap.c
+++ b/arch/arm/mm/mmap.c
@@ -279,7 +279,7 @@
* You really shouldn't be using read() or write() on /dev/mem. This
* might go away in the future.
*/
-int valid_phys_addr_range(unsigned long addr, size_t size)
+int valid_phys_addr_range(phys_addr_t addr, size_t size)
{
if (addr < PHYS_OFFSET)
return 0;