diff options
Diffstat (limited to 'vm/vm_map.h')
| -rw-r--r-- | vm/vm_map.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/vm/vm_map.h b/vm/vm_map.h index 900f1218..1b66dda4 100644 --- a/vm/vm_map.h +++ b/vm/vm_map.h @@ -184,6 +184,7 @@ struct vm_map { pmap_t pmap; /* Physical map */ vm_size_t size; /* virtual size */ vm_size_t size_wired; /* wired size */ + vm_size_t size_none; /* none protection size */ int ref_count; /* Reference count */ decl_simple_lock_data(, ref_lock) /* Lock for ref_count field */ vm_map_entry_t hint; /* hint for quick lookups */ @@ -198,6 +199,10 @@ struct vm_map { unsigned int timestamp; /* Version number */ const char *name; /* Associated name */ + + vm_size_t size_cur_limit; /* current limit on virtual memory size */ + vm_size_t size_max_limit; /* maximum size an unprivileged user can + change current limit to */ }; #define vm_map_to_entry(map) ((struct vm_map_entry *) &(map)->hdr.links) @@ -401,7 +406,7 @@ extern kern_return_t vm_map_enter(vm_map_t, vm_offset_t *, vm_size_t, /* Enter a mapping primitive */ extern kern_return_t vm_map_find_entry(vm_map_t, vm_offset_t *, vm_size_t, vm_offset_t, vm_object_t, - vm_map_entry_t *); + vm_map_entry_t *, vm_prot_t, vm_prot_t); /* Deallocate a region */ extern kern_return_t vm_map_remove(vm_map_t, vm_offset_t, vm_offset_t); /* Change protection */ @@ -582,4 +587,12 @@ void _vm_map_clip_end( vm_offset_t end, boolean_t link_gap); +/* + * This function is called to inherit the virtual memory limits + * from one vm_map_t to another. + */ +void vm_map_copy_limits( + vm_map_t dst, + vm_map_t src); + #endif /* _VM_VM_MAP_H_ */ |