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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-14 16:43:24 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-14 16:43:24 -0400
commita3da5bf84a97d48cfaf66c6842470fc403da5121 (patch)
treecdf66c0cff8c61eedd60601fc9dffdd1ed39b880 /include/asm-x86/mmzone_32.h
parent3b23e665b68387f5ee7b21f7b75ceea4d9acae4a (diff)
parentd59fdcf2ac501de99c3dfb452af5e254d4342886 (diff)
Merge branch 'x86/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (821 commits) x86: make 64bit hpet_set_mapping to use ioremap too, v2 x86: get x86_phys_bits early x86: max_low_pfn_mapped fix #4 x86: change _node_to_cpumask_ptr to return const ptr x86: I/O APIC: remove an IRQ2-mask hack x86: fix numaq_tsc_disable calling x86, e820: remove end_user_pfn x86: max_low_pfn_mapped fix, #3 x86: max_low_pfn_mapped fix, #2 x86: max_low_pfn_mapped fix, #1 x86_64: fix delayed signals x86: remove conflicting nx6325 and nx6125 quirks x86: Recover timer_ack lost in the merge of the NMI watchdog x86: I/O APIC: Never configure IRQ2 x86: L-APIC: Always fully configure IRQ0 x86: L-APIC: Set IRQ0 as edge-triggered x86: merge dwarf2 headers x86: use AS_CFI instead of UNWIND_INFO x86: use ignore macro instead of hash comment x86: use matching CFI_ENDPROC ...
Diffstat (limited to 'include/asm-x86/mmzone_32.h')
-rw-r--r--include/asm-x86/mmzone_32.h26
1 files changed, 6 insertions, 20 deletions
diff --git a/include/asm-x86/mmzone_32.h b/include/asm-x86/mmzone_32.h
index cb2cad0b65a7..b2298a227567 100644
--- a/include/asm-x86/mmzone_32.h
+++ b/include/asm-x86/mmzone_32.h
@@ -12,11 +12,9 @@
12extern struct pglist_data *node_data[]; 12extern struct pglist_data *node_data[];
13#define NODE_DATA(nid) (node_data[nid]) 13#define NODE_DATA(nid) (node_data[nid])
14 14
15#ifdef CONFIG_X86_NUMAQ 15#include <asm/numaq.h>
16 #include <asm/numaq.h> 16/* summit or generic arch */
17#elif defined(CONFIG_ACPI_SRAT)/* summit or generic arch */ 17#include <asm/srat.h>
18 #include <asm/srat.h>
19#endif
20 18
21extern int get_memcfg_numa_flat(void); 19extern int get_memcfg_numa_flat(void);
22/* 20/*
@@ -26,28 +24,20 @@ extern int get_memcfg_numa_flat(void);
26 */ 24 */
27static inline void get_memcfg_numa(void) 25static inline void get_memcfg_numa(void)
28{ 26{
29#ifdef CONFIG_X86_NUMAQ 27
30 if (get_memcfg_numaq()) 28 if (get_memcfg_numaq())
31 return; 29 return;
32#elif defined(CONFIG_ACPI_SRAT)
33 if (get_memcfg_from_srat()) 30 if (get_memcfg_from_srat())
34 return; 31 return;
35#endif
36
37 get_memcfg_numa_flat(); 32 get_memcfg_numa_flat();
38} 33}
39 34
40extern int early_pfn_to_nid(unsigned long pfn); 35extern int early_pfn_to_nid(unsigned long pfn);
41extern void numa_kva_reserve(void);
42 36
43#else /* !CONFIG_NUMA */ 37#else /* !CONFIG_NUMA */
44 38
45#define get_memcfg_numa get_memcfg_numa_flat 39#define get_memcfg_numa get_memcfg_numa_flat
46#define get_zholes_size(n) (0)
47 40
48static inline void numa_kva_reserve(void)
49{
50}
51#endif /* CONFIG_NUMA */ 41#endif /* CONFIG_NUMA */
52 42
53#ifdef CONFIG_DISCONTIGMEM 43#ifdef CONFIG_DISCONTIGMEM
@@ -55,14 +45,14 @@ static inline void numa_kva_reserve(void)
55/* 45/*
56 * generic node memory support, the following assumptions apply: 46 * generic node memory support, the following assumptions apply:
57 * 47 *
58 * 1) memory comes in 256Mb contigious chunks which are either present or not 48 * 1) memory comes in 64Mb contigious chunks which are either present or not
59 * 2) we will not have more than 64Gb in total 49 * 2) we will not have more than 64Gb in total
60 * 50 *
61 * for now assume that 64Gb is max amount of RAM for whole system 51 * for now assume that 64Gb is max amount of RAM for whole system
62 * 64Gb / 4096bytes/page = 16777216 pages 52 * 64Gb / 4096bytes/page = 16777216 pages
63 */ 53 */
64#define MAX_NR_PAGES 16777216 54#define MAX_NR_PAGES 16777216
65#define MAX_ELEMENTS 256 55#define MAX_ELEMENTS 1024
66#define PAGES_PER_ELEMENT (MAX_NR_PAGES/MAX_ELEMENTS) 56#define PAGES_PER_ELEMENT (MAX_NR_PAGES/MAX_ELEMENTS)
67 57
68extern s8 physnode_map[]; 58extern s8 physnode_map[];
@@ -87,9 +77,6 @@ static inline int pfn_to_nid(unsigned long pfn)
87 __pgdat->node_start_pfn + __pgdat->node_spanned_pages; \ 77 __pgdat->node_start_pfn + __pgdat->node_spanned_pages; \
88}) 78})
89 79
90#ifdef CONFIG_X86_NUMAQ /* we have contiguous memory on NUMA-Q */
91#define pfn_valid(pfn) ((pfn) < num_physpages)
92#else
93static inline int pfn_valid(int pfn) 80static inline int pfn_valid(int pfn)
94{ 81{
95 int nid = pfn_to_nid(pfn); 82 int nid = pfn_to_nid(pfn);
@@ -98,7 +85,6 @@ static inline int pfn_valid(int pfn)
98 return (pfn < node_end_pfn(nid)); 85 return (pfn < node_end_pfn(nid));
99 return 0; 86 return 0;
100} 87}
101#endif /* CONFIG_X86_NUMAQ */
102 88
103#endif /* CONFIG_DISCONTIGMEM */ 89#endif /* CONFIG_DISCONTIGMEM */
104 90