diff options
Diffstat (limited to 'include/asm-i386/mmzone.h')
-rw-r--r-- | include/asm-i386/mmzone.h | 89 |
1 files changed, 48 insertions, 41 deletions
diff --git a/include/asm-i386/mmzone.h b/include/asm-i386/mmzone.h index 48e46d403aa..33ce5d37e89 100644 --- a/include/asm-i386/mmzone.h +++ b/include/asm-i386/mmzone.h @@ -8,7 +8,9 @@ #include <asm/smp.h> -#ifdef CONFIG_DISCONTIGMEM +#if CONFIG_NUMA +extern struct pglist_data *node_data[]; +#define NODE_DATA(nid) (node_data[nid]) #ifdef CONFIG_NUMA #ifdef CONFIG_X86_NUMAQ @@ -21,8 +23,28 @@ #define get_zholes_size(n) (0) #endif /* CONFIG_NUMA */ -extern struct pglist_data *node_data[]; -#define NODE_DATA(nid) (node_data[nid]) +extern int get_memcfg_numa_flat(void ); +/* + * This allows any one NUMA architecture to be compiled + * for, and still fall back to the flat function if it + * fails. + */ +static inline void get_memcfg_numa(void) +{ +#ifdef CONFIG_X86_NUMAQ + if (get_memcfg_numaq()) + return; +#elif CONFIG_ACPI_SRAT + if (get_memcfg_from_srat()) + return; +#endif + + get_memcfg_numa_flat(); +} + +#endif /* CONFIG_NUMA */ + +#ifdef CONFIG_DISCONTIGMEM /* * generic node memory support, the following assumptions apply: @@ -48,26 +70,6 @@ static inline int pfn_to_nid(unsigned long pfn) #endif } -/* - * Following are macros that are specific to this numa platform. - */ -#define reserve_bootmem(addr, size) \ - reserve_bootmem_node(NODE_DATA(0), (addr), (size)) -#define alloc_bootmem(x) \ - __alloc_bootmem_node(NODE_DATA(0), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS)) -#define alloc_bootmem_low(x) \ - __alloc_bootmem_node(NODE_DATA(0), (x), SMP_CACHE_BYTES, 0) -#define alloc_bootmem_pages(x) \ - __alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS)) -#define alloc_bootmem_low_pages(x) \ - __alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, 0) -#define alloc_bootmem_node(ignore, x) \ - __alloc_bootmem_node(NODE_DATA(0), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS)) -#define alloc_bootmem_pages_node(ignore, x) \ - __alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS)) -#define alloc_bootmem_low_pages_node(ignore, x) \ - __alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, 0) - #define node_localnr(pfn, nid) ((pfn) - node_data[nid]->node_start_pfn) /* @@ -121,28 +123,33 @@ static inline int pfn_valid(int pfn) return (pfn < node_end_pfn(nid)); return 0; } -#endif +#endif /* CONFIG_X86_NUMAQ */ + +#endif /* CONFIG_DISCONTIGMEM */ + +#ifdef CONFIG_NEED_MULTIPLE_NODES -extern int get_memcfg_numa_flat(void ); /* - * This allows any one NUMA architecture to be compiled - * for, and still fall back to the flat function if it - * fails. + * Following are macros that are specific to this numa platform. */ -static inline void get_memcfg_numa(void) -{ -#ifdef CONFIG_X86_NUMAQ - if (get_memcfg_numaq()) - return; -#elif CONFIG_ACPI_SRAT - if (get_memcfg_from_srat()) - return; -#endif - - get_memcfg_numa_flat(); -} +#define reserve_bootmem(addr, size) \ + reserve_bootmem_node(NODE_DATA(0), (addr), (size)) +#define alloc_bootmem(x) \ + __alloc_bootmem_node(NODE_DATA(0), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS)) +#define alloc_bootmem_low(x) \ + __alloc_bootmem_node(NODE_DATA(0), (x), SMP_CACHE_BYTES, 0) +#define alloc_bootmem_pages(x) \ + __alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS)) +#define alloc_bootmem_low_pages(x) \ + __alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, 0) +#define alloc_bootmem_node(ignore, x) \ + __alloc_bootmem_node(NODE_DATA(0), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS)) +#define alloc_bootmem_pages_node(ignore, x) \ + __alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS)) +#define alloc_bootmem_low_pages_node(ignore, x) \ + __alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, 0) -#endif /* CONFIG_DISCONTIGMEM */ +#endif /* CONFIG_NEED_MULTIPLE_NODES */ extern int early_pfn_to_nid(unsigned long pfn); |