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x86, memblock: Add get_free_all_memory_range()

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get_free_all_memory_range is for CONFIG_NO_BOOTMEM=y, and will be called by
free_all_memory_core_early().

It will use early_node_map aka active ranges subtract memblock.reserved to
get all free range, and those ranges will convert to slab pages.

-v4: increase range size

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Jan Beulich <jbeulich@novell.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
Yinghai Lu
2010-08-25 13:39:16 -07:00
committed by H. Peter Anvin
parent 9dc5d569c1
commit 4d5cf86ce1
2 changed files with 99 additions and 1 deletions
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arch/x86/include/asm/memblock.h
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@ -8,5 +8,7 @@ void memblock_x86_to_bootmem(u64 start, u64 end);
void memblock_x86_reserve_range(u64 start, u64 end, char *name);
void memblock_x86_free_range(u64 start, u64 end);
struct range;
int get_free_all_memory_range(struct range **rangep, int nodeid);
#endif