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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2006-11-30 21:43:51 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-04-19 12:36:48 +0200 |
| commit | 05944d74bc28fffbcce159cb915d0acff82f30a1 (patch) | |
| tree | 6151f1a21d7171542ca84906207030d26f9b792d /include/asm-arm/memory.h | |
| parent | Linux 2.6.25-rc7 (diff) | |
| download | linux-05944d74bc28fffbcce159cb915d0acff82f30a1.tar.xz linux-05944d74bc28fffbcce159cb915d0acff82f30a1.zip | |
[ARM] Add initial sparsemem support
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm/memory.h')
| -rw-r--r-- | include/asm-arm/memory.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-arm/memory.h b/include/asm-arm/memory.h index d9bfb39adabf..9ba4d7136e6b 100644 --- a/include/asm-arm/memory.h +++ b/include/asm-arm/memory.h @@ -217,7 +217,10 @@ static inline __deprecated void *bus_to_virt(unsigned long x) #ifndef CONFIG_DISCONTIGMEM #define ARCH_PFN_OFFSET PHYS_PFN_OFFSET + +#ifndef CONFIG_SPARSEMEM #define pfn_valid(pfn) ((pfn) >= PHYS_PFN_OFFSET && (pfn) < (PHYS_PFN_OFFSET + max_mapnr)) +#endif #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) #define virt_addr_valid(kaddr) ((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory) |