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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2010-08-04 08:38:47 +0400
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2010-08-04 08:38:47 +0400
commit72d4b0b4e0e7fa858767e03972771a9f7c02b689 (patch)
tree5cdf39edb6edbaa7f75da27ad1d9ce7864bb9448 /include/linux/memblock.h
parent411a25a80da328f5ae6b6c037872ffe867fcc130 (diff)
downloadlinux-72d4b0b4e0e7fa858767e03972771a9f7c02b689.tar.xz
memblock: Implement memblock_is_memory and memblock_is_region_memory
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>
Diffstat (limited to 'include/linux/memblock.h')
-rw-r--r--include/linux/memblock.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 4b6931327b22..47bceb187058 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -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);