ARM: LPAE: use phys_addr_t in free_memmap()
The free_memmap() was mistakenly using unsigned long type to represent
physical addresses. This breaks on PAE systems where memory could be placed
above the 32-bit addressible limit.
This patch fixes this function to properly use phys_addr_t instead.
Signed-off-by: Vitaly Andrianov <vitalya@ti.com>
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Subash Patel <subash.rp@samsung.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 9a5cdc0..68c914e 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -442,7 +442,7 @@
free_memmap(unsigned long start_pfn, unsigned long end_pfn)
{
struct page *start_pg, *end_pg;
- unsigned long pg, pgend;
+ phys_addr_t pg, pgend;
/*
* Convert start_pfn/end_pfn to a struct page pointer.
@@ -454,8 +454,8 @@
* Convert to physical addresses, and
* round start upwards and end downwards.
*/
- pg = (unsigned long)PAGE_ALIGN(__pa(start_pg));
- pgend = (unsigned long)__pa(end_pg) & PAGE_MASK;
+ pg = PAGE_ALIGN(__pa(start_pg));
+ pgend = __pa(end_pg) & PAGE_MASK;
/*
* If there are free pages between these,