diff options
Diffstat (limited to 'sys/vm/vm_object.c')
| -rw-r--r-- | sys/vm/vm_object.c | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/sys/vm/vm_object.c b/sys/vm/vm_object.c index 40a4a50..388cc5f 100644 --- a/sys/vm/vm_object.c +++ b/sys/vm/vm_object.c @@ -61,7 +61,7 @@ * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. * - * $Id: vm_object.c,v 1.96 1997/09/01 02:55:48 bde Exp $ + * $Id: vm_object.c,v 1.97 1997/09/01 03:17:22 bde Exp $ */ /* @@ -89,6 +89,7 @@ #include <vm/swap_pager.h> #include <vm/vm_kern.h> #include <vm/vm_extern.h> +#include <vm/vm_zone.h> static void vm_object_qcollapse __P((vm_object_t object)); #ifdef not_used @@ -138,6 +139,10 @@ extern int vm_pageout_page_count; static long object_collapses; static long object_bypasses; static int next_index; +static vm_zone_t obj_zone; +static struct vm_zone obj_zone_store; +#define VM_OBJECTS_INIT 256 +struct vm_object vm_objects_init[VM_OBJECTS_INIT]; void _vm_object_allocate(type, size, object) @@ -145,6 +150,7 @@ _vm_object_allocate(type, size, object) vm_size_t size; register vm_object_t object; { + int incr; TAILQ_INIT(&object->memq); TAILQ_INIT(&object->shadow_head); @@ -157,7 +163,11 @@ _vm_object_allocate(type, size, object) object->resident_page_count = 0; object->shadow_count = 0; object->pg_color = next_index; - next_index = (next_index + PQ_PRIME1) & PQ_L2_MASK; + if ( size > (PQ_L2_SIZE / 3 + PQ_PRIME1)) + incr = PQ_L2_SIZE / 3 + PQ_PRIME1; + else + incr = size; + next_index = (next_index + incr) & PQ_L2_MASK; object->handle = NULL; object->paging_offset = (vm_ooffset_t) 0; object->backing_object = NULL; @@ -194,6 +204,15 @@ vm_object_init() kmem_object = &kmem_object_store; _vm_object_allocate(OBJT_DEFAULT, OFF_TO_IDX(VM_MAX_KERNEL_ADDRESS - VM_MIN_KERNEL_ADDRESS), kmem_object); + + obj_zone = &obj_zone_store; + zbootinit(obj_zone, "VM OBJECT", sizeof (struct vm_object), + vm_objects_init, VM_OBJECTS_INIT); +} + +void +vm_object_init2() { + zinitna(obj_zone, NULL, NULL, 0, 0, 0, 4); } /* @@ -208,10 +227,7 @@ vm_object_allocate(type, size) vm_size_t size; { register vm_object_t result; - - result = (vm_object_t) - malloc((u_long) sizeof *result, M_VMOBJ, M_WAITOK); - + result = (vm_object_t) zalloc(obj_zone); _vm_object_allocate(type, size, result); @@ -429,7 +445,7 @@ vm_object_terminate(object) /* * Free the space for the object. */ - free((caddr_t) object, M_VMOBJ); + zfree(obj_zone, object); } /* @@ -1102,7 +1118,7 @@ vm_object_collapse(object) object_list); vm_object_count--; - free((caddr_t) backing_object, M_VMOBJ); + zfree(obj_zone, backing_object); object_collapses++; } else { |
