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Subject[PATCH] powerpc/mm: use memblock_is_memory
Date
The <linux/memblock.h> provides memblock_is_memory() function that
tries to find a given physical address in the memblock.memory.regions.
Let's use this function instead of direct coding of the same functionality.

Signed-off-by: Alexander Kuleshov <kuleshovmail@gmail.com>
---
arch/powerpc/mm/mem.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 22d94c3..85b462b 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -82,11 +82,9 @@ int page_is_ram(unsigned long pfn)
return pfn < max_pfn;
#else
unsigned long paddr = (pfn << PAGE_SHIFT);
- struct memblock_region *reg;

- for_each_memblock(memory, reg)
- if (paddr >= reg->base && paddr < (reg->base + reg->size))
- return 1;
+ if (memblock_is_memory(paddr))
+ return 1;
return 0;
#endif
}
--
2.6.0

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