diff options
Diffstat (limited to 'arch/parisc/include/asm/mmzone.h')
| -rw-r--r-- | arch/parisc/include/asm/mmzone.h | 58 |
1 files changed, 1 insertions, 57 deletions
diff --git a/arch/parisc/include/asm/mmzone.h b/arch/parisc/include/asm/mmzone.h index fafa3893fd70..8d390406d862 100644 --- a/arch/parisc/include/asm/mmzone.h +++ b/arch/parisc/include/asm/mmzone.h @@ -2,62 +2,6 @@ #ifndef _PARISC_MMZONE_H #define _PARISC_MMZONE_H -#define MAX_PHYSMEM_RANGES 8 /* Fix the size for now (current known max is 3) */ +#define MAX_PHYSMEM_RANGES 4 /* Fix the size for now (current known max is 3) */ -#ifdef CONFIG_DISCONTIGMEM - -extern int npmem_ranges; - -struct node_map_data { - pg_data_t pg_data; -}; - -extern struct node_map_data node_data[]; - -#define NODE_DATA(nid) (&node_data[nid].pg_data) - -/* We have these possible memory map layouts: - * Astro: 0-3.75, 67.75-68, 4-64 - * zx1: 0-1, 257-260, 4-256 - * Stretch (N-class): 0-2, 4-32, 34-xxx - */ - -/* Since each 1GB can only belong to one region (node), we can create - * an index table for pfn to nid lookup; each entry in pfnnid_map - * represents 1GB, and contains the node that the memory belongs to. */ - -#define PFNNID_SHIFT (30 - PAGE_SHIFT) -#define PFNNID_MAP_MAX 512 /* support 512GB */ -extern signed char pfnnid_map[PFNNID_MAP_MAX]; - -#ifndef CONFIG_64BIT -#define pfn_is_io(pfn) ((pfn & (0xf0000000UL >> PAGE_SHIFT)) == (0xf0000000UL >> PAGE_SHIFT)) -#else -/* io can be 0xf0f0f0f0f0xxxxxx or 0xfffffffff0000000 */ -#define pfn_is_io(pfn) ((pfn & (0xf000000000000000UL >> PAGE_SHIFT)) == (0xf000000000000000UL >> PAGE_SHIFT)) -#endif - -static inline int pfn_to_nid(unsigned long pfn) -{ - unsigned int i; - - if (unlikely(pfn_is_io(pfn))) - return 0; - - i = pfn >> PFNNID_SHIFT; - BUG_ON(i >= ARRAY_SIZE(pfnnid_map)); - - return pfnnid_map[i]; -} - -static inline int pfn_valid(int pfn) -{ - int nid = pfn_to_nid(pfn); - - if (nid >= 0) - return (pfn < node_end_pfn(nid)); - return 0; -} - -#endif #endif /* _PARISC_MMZONE_H */ |