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[PATCH] bootmem: use MAX_DMA_ADDRESS instead of LOW32LIMIT

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Introduce ARCH_LOW_ADDRESS_LIMIT which can be set per architecture to
override the 4GB default limit used by the bootmem allocater within
__alloc_bootmem_low() and __alloc_bootmem_low_node().  E.g.  s390 needs a
2GB limit instead of 4GB.

Acked-by: Ingo Molnar <mingo@elte.hu>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Heiko Carstens
2006-09-25 23:31:33 -07:00
committed by Linus Torvalds
parent b72f160443
commit dfd54cbcc0
2 changed files with 10 additions and 3 deletions
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2
include/asm-s390/processor.h
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@@ -337,6 +337,8 @@ struct notifier_block;
int register_idle_notifier(struct notifier_block *nb);
int unregister_idle_notifier(struct notifier_block *nb);
#define ARCH_LOW_ADDRESS_LIMIT 0x7fffffffUL
#endif
/*