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| author | Will Deacon <will.deacon@arm.com> | 2011-02-15 12:42:57 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-02-15 14:20:23 +0000 |
| commit | cae6292b653f5e3308bf2787a54b7dcd2cc7e2b3 (patch) | |
| tree | b9f6847d0cf392a9519800db3b99ea1e9090617e /arch/arm/mm/init.c | |
| parent | ad6b9c9d78b9beebef02ac7f566a08db7be3c320 (diff) | |
| download | linux-cae6292b653f5e3308bf2787a54b7dcd2cc7e2b3.tar.gz linux-cae6292b653f5e3308bf2787a54b7dcd2cc7e2b3.tar.bz2 linux-cae6292b653f5e3308bf2787a54b7dcd2cc7e2b3.zip | |
ARM: 6672/1: LPAE: use phys_addr_t instead of unsigned long in mapping functions
The unsigned long datatype is not sufficient for mapping physical addresses
>= 4GB.
This patch ensures that the phys_addr_t datatype is used to represent physical
addresses when converting from a PFN.
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm/init.c')
| -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 5164069ced42..14a00a1ef52f 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -344,7 +344,7 @@ void __init bootmem_init(void) */ arm_bootmem_free(min, max_low, max_high); - high_memory = __va((max_low << PAGE_SHIFT) - 1) + 1; + high_memory = __va(((phys_addr_t)max_low << PAGE_SHIFT) - 1) + 1; /* * This doesn't seem to be used by the Linux memory manager any @@ -392,8 +392,8 @@ free_memmap(unsigned long start_pfn, unsigned long end_pfn) * Convert to physical addresses, and * round start upwards and end downwards. */ - pg = PAGE_ALIGN(__pa(start_pg)); - pgend = __pa(end_pg) & PAGE_MASK; + pg = (unsigned long)PAGE_ALIGN(__pa(start_pg)); + pgend = (unsigned long)__pa(end_pg) & PAGE_MASK; /* * If there are free pages between these, |