X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-i386%2Fmmzone.h;h=3503ad66945ec4a488cbd192635e5cc7c7db1b4f;hb=refs%2Fheads%2Fvserver;hp=3b8e4b7cc7cc1f6f9d4e4008365a87f8317f8b55;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git diff --git a/include/asm-i386/mmzone.h b/include/asm-i386/mmzone.h index 3b8e4b7cc..3503ad669 100644 --- a/include/asm-i386/mmzone.h +++ b/include/asm-i386/mmzone.h @@ -8,21 +8,49 @@ #include -#ifdef CONFIG_DISCONTIGMEM - #ifdef CONFIG_NUMA - #ifdef CONFIG_X86_NUMAQ - #include - #else /* summit or generic arch */ - #include - #endif +extern struct pglist_data *node_data[]; +#define NODE_DATA(nid) (node_data[nid]) + +#ifdef CONFIG_X86_NUMAQ + #include +#elif defined(CONFIG_ACPI_SRAT)/* summit or generic arch */ + #include +#endif + +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 defined(CONFIG_ACPI_SRAT) + if (get_memcfg_from_srat()) + return; +#endif + + get_memcfg_numa_flat(); +} + +extern int early_pfn_to_nid(unsigned long pfn); +extern void numa_kva_reserve(void); + #else /* !CONFIG_NUMA */ - #define get_memcfg_numa get_memcfg_numa_flat - #define get_zholes_size(n) (0) + +#define get_memcfg_numa get_memcfg_numa_flat +#define get_zholes_size(n) (0) + +static inline void numa_kva_reserve(void) +{ +} #endif /* CONFIG_NUMA */ -extern struct pglist_data *node_data[]; -#define NODE_DATA(nid) (node_data[nid]) +#ifdef CONFIG_DISCONTIGMEM /* * generic node memory support, the following assumptions apply: @@ -37,55 +65,21 @@ extern struct pglist_data *node_data[]; #define MAX_ELEMENTS 256 #define PAGES_PER_ELEMENT (MAX_NR_PAGES/MAX_ELEMENTS) -extern u8 physnode_map[]; +extern s8 physnode_map[]; static inline int pfn_to_nid(unsigned long pfn) { #ifdef CONFIG_NUMA - return(physnode_map[(pfn) / PAGES_PER_ELEMENT]); + return((int) physnode_map[(pfn) / PAGES_PER_ELEMENT]); #else return 0; #endif } -static inline struct pglist_data *pfn_to_pgdat(unsigned long pfn) -{ - return(NODE_DATA(pfn_to_nid(pfn))); -} - - -/* - * 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) - /* * Following are macros that each numa implmentation must define. */ -/* - * Given a kernel address, find the home node of the underlying memory. - */ -#define kvaddr_to_nid(kaddr) pfn_to_nid(__pa(kaddr) >> PAGE_SHIFT) - -#define node_mem_map(nid) (NODE_DATA(nid)->node_mem_map) #define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn) #define node_end_pfn(nid) \ ({ \ @@ -93,31 +87,9 @@ static inline struct pglist_data *pfn_to_pgdat(unsigned long pfn) __pgdat->node_start_pfn + __pgdat->node_spanned_pages; \ }) -#define local_mapnr(kvaddr) \ -({ \ - unsigned long __pfn = __pa(kvaddr) >> PAGE_SHIFT; \ - (__pfn - node_start_pfn(pfn_to_nid(__pfn))); \ -}) - /* XXX: FIXME -- wli */ #define kern_addr_valid(kaddr) (0) -#define pfn_to_page(pfn) \ -({ \ - unsigned long __pfn = pfn; \ - int __node = pfn_to_nid(__pfn); \ - &node_mem_map(__node)[node_localnr(__pfn,__node)]; \ -}) - -#define page_to_pfn(pg) \ -({ \ - struct page *__page = pg; \ - struct zone *__zone = page_zone(__page); \ - (unsigned long)(__page - __zone->zone_mem_map) \ - + __zone->zone_start_pfn; \ -}) -#define pmd_page(pmd) (pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT)) - #ifdef CONFIG_X86_NUMAQ /* we have contiguous memory on NUMA-Q */ #define pfn_valid(pfn) ((pfn) < num_physpages) #else @@ -129,26 +101,45 @@ 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(pgdat, x) \ +({ \ + struct pglist_data __attribute__ ((unused)) \ + *__alloc_bootmem_node__pgdat = (pgdat); \ + __alloc_bootmem_node(NODE_DATA(0), (x), SMP_CACHE_BYTES, \ + __pa(MAX_DMA_ADDRESS)); \ +}) +#define alloc_bootmem_pages_node(pgdat, x) \ +({ \ + struct pglist_data __attribute__ ((unused)) \ + *__alloc_bootmem_node__pgdat = (pgdat); \ + __alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, \ + __pa(MAX_DMA_ADDRESS)) \ +}) +#define alloc_bootmem_low_pages_node(pgdat, x) \ +({ \ + struct pglist_data __attribute__ ((unused)) \ + *__alloc_bootmem_node__pgdat = (pgdat); \ + __alloc_bootmem_node(NODE_DATA(0), (x), PAGE_SIZE, 0); \ +}) +#endif /* CONFIG_NEED_MULTIPLE_NODES */ -#endif /* CONFIG_DISCONTIGMEM */ #endif /* _ASM_MMZONE_H_ */