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| author | Vitaly Andrianov <vitalya@ti.com> | 2012-06-21 08:09:05 -0400 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2013-05-30 16:01:56 +0100 |
| commit | 56bc628666b39dc8cb395c7686d8c032efd731f4 (patch) | |
| tree | a45f9b91da92382f26fdb5f60db8a1aa98a96ff0 /arch/arm | |
| parent | 20d6956d8cd2452cec0889ff040f18afc03c2e6b (diff) | |
| download | linux-56bc628666b39dc8cb395c7686d8c032efd731f4.tar.gz linux-56bc628666b39dc8cb395c7686d8c032efd731f4.tar.bz2 linux-56bc628666b39dc8cb395c7686d8c032efd731f4.zip | |
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>
Diffstat (limited to 'arch/arm')
| -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 9a5cdc01fcdf..68c914e8544e 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -442,7 +442,7 @@ 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. @@ -454,8 +454,8 @@ 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, |