The patch titled
Subject: mm/memblock: memblock_is_map/region_memory can be boolean
has been added to the -mm tree. Its filename is
mm-memblock-memblock_is_map-region_memory-can-be-boolean.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-memblock-memblock_is_map-region_memory-can-be-boolean.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-memblock-memblock_is_map-region_memory-can-be-boolean.patch
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------------------------------------------------------
From: Yaowei Bai <baiyaowei@xxxxxxxxxxxxxxxxxxxx>
Subject: mm/memblock: memblock_is_map/region_memory can be boolean
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/1513266622-15860-2-git-send-email-baiyaowei@xxxxxxxxxxxxxxxxxxxx
Signed-off-by: Yaowei Bai <baiyaowei@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/memblock.h | 4 ++--
mm/memblock.c | 6 +++---
2 files changed, 5 insertions(+), 5 deletions(-)
diff -puN include/linux/memblock.h~mm-memblock-memblock_is_map-region_memory-can-be-boolean include/linux/memblock.h
--- a/include/linux/memblock.h~mm-memblock-memblock_is_map-region_memory-can-be-boolean
+++ a/include/linux/memblock.h
@@ -332,8 +332,8 @@ void memblock_enforce_memory_limit(phys_
void memblock_cap_memory_range(phys_addr_t base, phys_addr_t size);
void memblock_mem_limit_remove_map(phys_addr_t limit);
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);
+bool memblock_is_map_memory(phys_addr_t addr);
+bool memblock_is_region_memory(phys_addr_t base, phys_addr_t size);
bool memblock_is_reserved(phys_addr_t addr);
bool memblock_is_region_reserved(phys_addr_t base, phys_addr_t size);
diff -puN mm/memblock.c~mm-memblock-memblock_is_map-region_memory-can-be-boolean mm/memblock.c
--- a/mm/memblock.c~mm-memblock-memblock_is_map-region_memory-can-be-boolean
+++ a/mm/memblock.c
@@ -1654,7 +1654,7 @@ bool __init_memblock memblock_is_memory(
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_
* 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;
}
_
Patches currently in -mm which might be from baiyaowei@xxxxxxxxxxxxxxxxxxxx are
mm-memblock-memblock_is_map-region_memory-can-be-boolean.patch
lib-lockref-__lockref_is_dead-can-be-boolean.patch
kernel-cpuset-current_cpuset_is_being_rebound-can-be-boolean.patch
kernel-resource-iomem_is_exclusive-can-be-boolean.patch
kernel-module-module_is_live-can-be-boolean.patch
kernel-mutex-mutex_is_locked-can-be-boolean.patch
crash_dump-is_kdump_kernel-can-be-boolean.patch
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