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authorYaowei Bai <baiyaowei@cmss.chinamobile.com>2016-01-14 15:18:54 -0800
committerAKASHI Takahiro <takahiro.akashi@linaro.org>2017-06-14 10:50:54 +0900
commit3cd7d7814b4bd106097cca9cbc73c399ba872f5b (patch)
treee89c9f128781609e0d85f7aa07ab047c8e7e5da6
parent02dd1897bec6935177dca8a8d43152a4253b7233 (diff)
mm/memblock.c: memblock_is_memory()/reserved() can be boolean
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>
-rw-r--r--include/linux/memblock.h4
-rw-r--r--mm/memblock.c4
2 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index fec66f86eeff..3a092fba2eb2 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -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_end_of_DRAM(void);
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_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);
extern void __memblock_dump_all(void);
diff --git a/mm/memblock.c b/mm/memblock.c
index 07ff069fef25..9695398a14c0 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1528,12 +1528,12 @@ static int __init_memblock memblock_search(struct memblock_type *type, phys_addr
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;
}
-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;
}