Commit cfaf346c authored by Changli Gao's avatar Changli Gao Committed by Linus Torvalds

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

Reduce the lines of code and simplify the logic.
Signed-off-by: default avatarChangli Gao <xiaosuo@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 115bcd15
...@@ -47,10 +47,7 @@ static inline unsigned long size_inside_page(unsigned long start, ...@@ -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)
......
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