diff options
| author | Vitaly Andrianov <vitalya@ti.com> | 2012-09-21 11:56:06 -0400 |
|---|---|---|
| committer | Tushar Behera <tushar.behera@linaro.org> | 2013-01-22 11:41:21 +0530 |
| commit | 27d850466db507769702fae0004b04924e779684 (patch) | |
| tree | 17cdecf3987c6bfbe7bf07f8715258b768abcddc | |
| parent | 1d236f786fe7470a4a37df48a00bae276aaa9435 (diff) | |
| download | linux-topics-27d850466db507769702fae0004b04924e779684.tar.gz | |
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 ad722f1208a..1c5151aac4f 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, |