diff options
author | Vitaly Andrianov <vitalya@ti.com> | 2012-09-21 11:56:06 -0400 |
---|---|---|
committer | Tushar Behera <tushar.behera@linaro.org> | 2013-03-21 17:58:09 +0530 |
commit | 8da3760a0c5e1c5e95b90c6e914a28b985436ae5 (patch) | |
tree | 605f69743ae33327e613617f8a5453833393e518 | |
parent | e6c8200a36d5eaee3caa395fd348a7eda6757942 (diff) |
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>
-rw-r--r-- | arch/arm/mm/init.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index ad722f1208a5..1c5151aac4f0 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -457,7 +457,7 @@ static inline void 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. @@ -469,8 +469,8 @@ free_memmap(unsigned long start_pfn, unsigned long end_pfn) * 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, |