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mm/memblock: memblock_is_map/region_memory can be boolean

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Make memblock_is_map/region_memory return bool due to these two
functions only using either true or false as its return value.

No functional change.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Yaowei Bai <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Yaowei Bai 2018-02-06 15:41:18 -08:00 • committed by Linus Torvalds
commit 937f0c2675
2 changed files with 5 additions and 5 deletions
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6
mm/memblock.c
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@ -1654,7 +1654,7 @@ bool __init_memblock memblock_is_memory(phys_addr_t addr)
return memblock_search(&memblock.memory, addr) != -1;
}
int __init_memblock memblock_is_map_memory(phys_addr_t addr)
bool __init_memblock memblock_is_map_memory(phys_addr_t addr)
{
int i = memblock_search(&memblock.memory, addr);
@ -1690,13 +1690,13 @@ int __init_memblock memblock_search_pfn_nid(unsigned long pfn,
* RETURNS:
* 0 if false, non-zero if true
*/
int __init_memblock memblock_is_region_memory(phys_addr_t base, phys_addr_t size)
bool __init_memblock memblock_is_region_memory(phys_addr_t base, phys_addr_t size)
{
int idx = memblock_search(&memblock.memory, base);
phys_addr_t end = base + memblock_cap_size(base, &size);
if (idx == -1)
return 0;
return false;
return (memblock.memory.regions[idx].base +
memblock.memory.regions[idx].size) >= end;
}