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[POWERPC] Provide walk_memory_resource() for powerpc

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Provide walk_memory_resource() for 64-bit powerpc.  PowerPC maintains
logical memory region mapping in the lmb.memory structure.  Walk
through these structures and do the callbacks for the contiguous
chunks.

Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com>
Cc: Yasunori Goto <y-goto@jp.fujitsu.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Badari Pulavarty
2008-04-18 13:33:53 -07:00
committed by Paul Mackerras
parent 98d5c21c81
commit 9d88a2eb6e
3 changed files with 57 additions and 7 deletions
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include/linux/lmb.h
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@ -54,6 +54,7 @@ extern u64 __init lmb_phys_mem_size(void);
extern u64 __init lmb_end_of_DRAM(void);
extern void __init lmb_enforce_memory_limit(u64 memory_limit);
extern int __init lmb_is_reserved(u64 addr);
extern int lmb_find(struct lmb_property *res);
extern void lmb_dump_all(void);