lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

memblock: Implement memblock_is_memory and memblock_is_region_memory

Browse Source 
To make it fast, we steal ARM's binary search for memblock_is_memory()
and we use that to also the replace existing implementation of
memblock_is_reserved().

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Benjamin Herrenschmidt
2010-08-04 14:38:47 +10:00
parent 411a25a80d
commit 72d4b0b4e0
2 changed files with 36 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
include/linux/memblock.h
View File

@ -56,6 +56,8 @@ extern u64 __init __memblock_alloc_base(u64 size,
extern u64 __init memblock_phys_mem_size(void);
extern u64 memblock_end_of_DRAM(void);
extern void __init memblock_enforce_memory_limit(u64 memory_limit);
extern int memblock_is_memory(u64 addr);
extern int memblock_is_region_memory(u64 base, u64 size);
extern int __init memblock_is_reserved(u64 addr);
extern int memblock_is_region_reserved(u64 base, u64 size);
extern int memblock_find(struct memblock_region *res);