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author | Paul Mackerras <paulus@samba.org> | 2005-10-31 13:37:12 +1100 |
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committer | Paul Mackerras <paulus@samba.org> | 2005-10-31 13:37:12 +1100 |
commit | 23fd07750a789a66fe88cf173d52a18f1a387da4 (patch) | |
tree | 06fdd6df35fdb835abdaa9b754d62f6b84b97250 /include/asm-ia64/sparsemem.h | |
parent | bd787d438a59266af3c9f6351644c85ef1dd21fe (diff) | |
parent | ed28f96ac1960f30f818374d65be71d2fdf811b0 (diff) | |
download | op-kernel-dev-23fd07750a789a66fe88cf173d52a18f1a387da4.zip op-kernel-dev-23fd07750a789a66fe88cf173d52a18f1a387da4.tar.gz |
Merge ../linux-2.6 by hand
Diffstat (limited to 'include/asm-ia64/sparsemem.h')
-rw-r--r-- | include/asm-ia64/sparsemem.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/asm-ia64/sparsemem.h b/include/asm-ia64/sparsemem.h new file mode 100644 index 0000000..67a7c40 --- /dev/null +++ b/include/asm-ia64/sparsemem.h @@ -0,0 +1,20 @@ +#ifndef _ASM_IA64_SPARSEMEM_H +#define _ASM_IA64_SPARSEMEM_H + +#ifdef CONFIG_SPARSEMEM +/* + * SECTION_SIZE_BITS 2^N: how big each section will be + * MAX_PHYSMEM_BITS 2^N: how much memory we can have in that space + */ + +#define SECTION_SIZE_BITS (30) +#define MAX_PHYSMEM_BITS (50) +#ifdef CONFIG_FORCE_MAX_ZONEORDER +#if ((CONFIG_FORCE_MAX_ZONEORDER - 1 + PAGE_SHIFT) > SECTION_SIZE_BITS) +#undef SECTION_SIZE_BITS +#define SECTION_SIZE_BITS (CONFIG_FORCE_MAX_ZONEORDER - 1 + PAGE_SHIFT) +#endif +#endif + +#endif /* CONFIG_SPARSEMEM */ +#endif /* _ASM_IA64_SPARSEMEM_H */ |