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drivers/char/mem.c: clean up the code

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Reduce the lines of code and simplify the logic.

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Changli Gao 2011-03-23 16:42:58 -07:00 committed by Linus Torvalds
parent 115bcd156a
commit cfaf346cb2
1 changed files with 1 additions and 4 deletions
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drivers/char/mem.c
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@ -47,10 +47,7 @@ static inline unsigned long size_inside_page(unsigned long start,
#ifndef ARCH_HAS_VALID_PHYS_ADDR_RANGE #ifndef ARCH_HAS_VALID_PHYS_ADDR_RANGE
static inline int valid_phys_addr_range(unsigned long addr, size_t count) static inline int valid_phys_addr_range(unsigned long addr, size_t count)
{ {
if (addr + count > __pa(high_memory)) return addr + count <= __pa(high_memory);
return 0;
return 1;
} }
static inline int valid_mmap_phys_addr_range(unsigned long pfn, size_t size) static inline int valid_mmap_phys_addr_range(unsigned long pfn, size_t size)