diff options
Diffstat (limited to 'include/sys/vmsystm.h')
| -rw-r--r-- | include/sys/vmsystm.h | 73 |
1 files changed, 5 insertions, 68 deletions
diff --git a/include/sys/vmsystm.h b/include/sys/vmsystm.h index ee3ed6d72..c6b86866b 100644 --- a/include/sys/vmsystm.h +++ b/include/sys/vmsystm.h @@ -33,31 +33,14 @@ #include <sys/types.h> #include <asm/uaccess.h> -/* These values are loosely coupled with the VM page reclaim. - * Linux uses its own heuristics to trigger page reclamation, and - * because those interface are difficult to interface with. These - * values should only be considered as a rough guide to the system - * memory state and not as direct evidence that page reclamation. - * is or is not currently in progress. - */ -#define membar_producer() smp_wmb() - -#define physmem totalram_pages -#define freemem nr_free_pages() -#define availrmem spl_kmem_availrmem() - -extern pgcnt_t minfree; /* Sum of zone->pages_min */ -extern pgcnt_t desfree; /* Sum of zone->pages_low */ -extern pgcnt_t lotsfree; /* Sum of zone->pages_high */ -extern pgcnt_t needfree; /* Always 0 unused in new Solaris */ -extern pgcnt_t swapfs_minfree; /* Solaris default value */ -extern pgcnt_t swapfs_reserve; /* Solaris default value */ +#define membar_producer() smp_wmb() +#define physmem totalram_pages +#define freemem nr_free_pages() extern vmem_t *heap_arena; /* primary kernel heap arena */ extern vmem_t *zio_alloc_arena; /* arena for zio caches */ extern vmem_t *zio_arena; /* arena for allocating zio memory */ -extern pgcnt_t spl_kmem_availrmem(void); extern size_t vmem_size(vmem_t *vmp, int typemask); #define VMEM_ALLOC 0x01 @@ -67,54 +50,8 @@ extern size_t vmem_size(vmem_t *vmp, int typemask); #define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START) #endif -#ifdef HAVE_PGDAT_HELPERS -/* Source linux/mm/mmzone.c */ -# ifndef HAVE_FIRST_ONLINE_PGDAT -typedef struct pglist_data *(*first_online_pgdat_t)(void); -extern first_online_pgdat_t first_online_pgdat_fn; -# define first_online_pgdat() first_online_pgdat_fn() -# endif /* HAVE_FIRST_ONLINE_PGDAT */ - -# ifndef HAVE_NEXT_ONLINE_PGDAT -typedef struct pglist_data *(*next_online_pgdat_t)(struct pglist_data *); -extern next_online_pgdat_t next_online_pgdat_fn; -# define next_online_pgdat(pgd) next_online_pgdat_fn(pgd) -# endif /* HAVE_NEXT_ONLINE_PGDAT */ - -# ifndef HAVE_NEXT_ZONE -typedef struct zone *(*next_zone_t)(struct zone *); -extern next_zone_t next_zone_fn; -# define next_zone(zone) next_zone_fn(zone) -# endif /* HAVE_NEXT_ZONE */ - -#else /* HAVE_PGDAT_HELPERS */ - -# ifndef HAVE_PGDAT_LIST -extern struct pglist_data *pgdat_list_addr; -# define pgdat_list pgdat_list_addr -# endif /* HAVE_PGDAT_LIST */ - -#endif /* HAVE_PGDAT_HELPERS */ - -/* Source linux/mm/vmstat.c */ -#if defined(NEED_GET_ZONE_COUNTS) && !defined(HAVE_GET_ZONE_COUNTS) -typedef void (*get_zone_counts_t)(unsigned long *, unsigned long *, - unsigned long *); -extern get_zone_counts_t get_zone_counts_fn; -# define get_zone_counts(a,i,f) get_zone_counts_fn(a,i,f) -#endif /* NEED_GET_ZONE_COUNTS && !HAVE_GET_ZONE_COUNTS */ - -typedef enum spl_zone_stat_item { - SPL_NR_FREE_PAGES, - SPL_NR_INACTIVE, - SPL_NR_ACTIVE, - SPL_NR_ZONE_STAT_ITEMS -} spl_zone_stat_item_t; - -extern unsigned long spl_global_page_state(spl_zone_stat_item_t); - -#define xcopyin(from, to, size) copy_from_user(to, from, size) -#define xcopyout(from, to, size) copy_to_user(to, from, size) +#define xcopyin(from, to, size) copy_from_user(to, from, size) +#define xcopyout(from, to, size) copy_to_user(to, from, size) static __inline__ int copyin(const void *from, void *to, size_t len) |