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Commit 225b87be authored by Laura Abbott's avatar Laura Abbott
Browse files

mm/memblock: Add for_each_memblock_rev 



It's useful to be able to go through memblock in descending order of
addresses. Add a macro to define this.

Change-Id: I4d164f42d4ce1754a64e5eb1ff647b37e6e8b461
Signed-off-by: default avatarLaura Abbott <lauraa@codeaurora.org>
parent 1fb57187

include/linux/memblock.h

+6 −0
Original line number Diff line number Diff line
@@ -231,6 +231,12 @@ static inline unsigned long memblock_region_reserved_end_pfn(const struct memblo 
	     region < (memblock.memblock_type.regions + memblock.memblock_type.cnt);	\

	     region++)



#define for_each_memblock_rev(memblock_type, region)	\

	for (region = memblock.memblock_type.regions + \

			memblock.memblock_type.cnt - 1;	\

	     region >= memblock.memblock_type.regions;	\

	     region--)





#ifdef CONFIG_ARCH_DISCARD_MEMBLOCK

#define __init_memblock __meminit