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mm/memblock.c: memblock_is_memory()/reserved() can be boolean

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Make memblock_is_memory() and memblock_is_reserved return bool to
improve readability due to these particular functions only using either
one or zero as their return value.

No functional change.

Signed-off-by: Yaowei Bai <baiyaowei@cmss.chinamobile.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Yaowei Bai 2016-01-14 15:18:54 -08:00 committed by Linus Torvalds
parent 719ff32162
commit b4ad0c7e00
2 changed files with 4 additions and 4 deletions
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4
include/linux/memblock.h
View File

@ -325,10 +325,10 @@ phys_addr_t memblock_mem_size(unsigned long limit_pfn);
phys_addr_t memblock_start_of_DRAM(void); phys_addr_t memblock_start_of_DRAM(void);
phys_addr_t memblock_end_of_DRAM(void); phys_addr_t memblock_end_of_DRAM(void);
void memblock_enforce_memory_limit(phys_addr_t memory_limit); void memblock_enforce_memory_limit(phys_addr_t memory_limit);
int memblock_is_memory(phys_addr_t addr); bool memblock_is_memory(phys_addr_t addr);
int memblock_is_map_memory(phys_addr_t addr); int memblock_is_map_memory(phys_addr_t addr);
int memblock_is_region_memory(phys_addr_t base, phys_addr_t size); int memblock_is_region_memory(phys_addr_t base, phys_addr_t size);
int memblock_is_reserved(phys_addr_t addr); bool memblock_is_reserved(phys_addr_t addr);
bool memblock_is_region_reserved(phys_addr_t base, phys_addr_t size); bool memblock_is_region_reserved(phys_addr_t base, phys_addr_t size);
extern void __memblock_dump_all(void); extern void __memblock_dump_all(void);

4
mm/memblock.c
View File

@ -1528,12 +1528,12 @@ static int __init_memblock memblock_search(struct memblock_type *type, phys_addr
return -1; return -1;
} }
int __init memblock_is_reserved(phys_addr_t addr) bool __init memblock_is_reserved(phys_addr_t addr)
{ {
return memblock_search(&memblock.reserved, addr) != -1; return memblock_search(&memblock.reserved, addr) != -1;
} }
int __init_memblock memblock_is_memory(phys_addr_t addr) bool __init_memblock memblock_is_memory(phys_addr_t addr)
{ {
return memblock_search(&memblock.memory, addr) != -1; return memblock_search(&memblock.memory, addr) != -1;
} }