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authorCyril Chemparathy <cyril@ti.com>2012-09-12 14:05:58 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-10-24 15:32:50 -0700
commit7e6735c3578e76c270a2797225a4214176ba13ef (patch)
treebc196f86d8699cd1eba80e8a3ebc1ba38e8a2bba /arch/arm/mm
parent6f0c0580b70c89094b3422ba81118c7b959c7556 (diff)
/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>
Diffstat (limited to 'arch/arm/mm')
-rw-r--r--arch/arm/mm/mmap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c
index ce8cb1970d7..89f2b7f7b04 100644
--- a/arch/arm/mm/mmap.c
+++ b/arch/arm/mm/mmap.c
@@ -279,7 +279,7 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
* 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;