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authorHeiko Carstens <heiko.carstens@de.ibm.com>2006-09-25 23:31:33 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-09-26 08:48:49 -0700
commitdfd54cbcc0b834652389ce99b5e656ea5f44a3c1 (patch)
tree7c403a50b42b2809bb9b18122cbd83e8e2c180c9 /include
parentb72f160443cb78b2f8addae6e331d2adaa70f869 (diff)
[PATCH] bootmem: use MAX_DMA_ADDRESS instead of LOW32LIMIT
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>
Diffstat (limited to 'include')
-rw-r--r--include/asm-s390/processor.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-s390/processor.h b/include/asm-s390/processor.h
index a3a4e5fd30d..578c2209fa7 100644
--- a/include/asm-s390/processor.h
+++ b/include/asm-s390/processor.h
@@ -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
/*