*
* @APPLE_LICENSE_HEADER_START@
*
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License"). You may not use this file except in compliance with the
+ * License. Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
*
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
&& (dump_pmap == 1)) {
pmap_remove_some_phys((pmap_t)
vm_map_pmap(
- current_map()),
- p->phys_page);
+ hash_ele->map),
+ p->phys_addr);
}
}
local_off += PAGE_SIZE_64;
}
kern_return_t
-tws_internal_lookup(
+tws_lookup(
tws_hash_t tws,
vm_object_offset_t offset,
vm_object_t object,
if(object->private)
return KERN_SUCCESS;
+ if(!tws_lock_try(tws)) {
+ return KERN_FAILURE;
+ }
+
index = do_tws_hash(object, offset,
tws->number_of_elements, tws->number_of_lines);
loop = 0;
age_of_cache = ((sched_tick
- tws->time_of_creation) >> SCHED_TICK_SHIFT);
if (age_of_cache > 35) {
+ tws_unlock(tws);
return KERN_OPERATION_TIMED_OUT;
}
}
age_of_cache = ((sched_tick
- tws->time_of_creation) >> SCHED_TICK_SHIFT);
if (age_of_cache > 60) {
+ tws_unlock(tws);
return KERN_OPERATION_TIMED_OUT;
}
}
set = cache_ele->element->line/tws->number_of_lines;
ele_line = cache_ele->element->line - set;
*line = &tws->cache[set][ele_line];
+ tws_unlock(tws);
return KERN_SUCCESS;
}
+ tws_unlock(tws);
return KERN_FAILURE;
}
-kern_return_t
-tws_lookup(
- tws_hash_t tws,
- vm_object_offset_t offset,
- vm_object_t object,
- tws_hash_line_t *line)
-{
- kern_return_t kr;
-
- if(!tws_lock_try(tws)) {
- return KERN_FAILURE;
- }
- kr = tws_internal_lookup(tws,
- offset, object, line);
- tws_unlock(tws);
- return kr;
-}
-
kern_return_t
tws_expand_working_set(
vm_offset_t tws,
pmap_remove(map->pmap, 0, GLOBAL_SHARED_TEXT_SEGMENT);
pmap_remove(map->pmap,
GLOBAL_SHARED_DATA_SEGMENT
- + SHARED_DATA_REGION_SIZE, 0xFFFFFFFFFFFFF000);
+ + SHARED_DATA_REGION_SIZE, 0xFFFFF000);
}
/* This next bit of code, the and alternate hash */
int age_of_cache;
int pre_heat_size;
unsigned int ele_cache;
- unsigned int end_cache = 0;
- unsigned int start_cache = 0;
+ unsigned int end_cache = NULL;
+ unsigned int start_cache = NULL;
if((object->private) || !(object->pager))
return;
object_size = object->size;
}
- if((!tws) || (!tws_lock_try(tws))) {
- return;
- }
-
age_of_cache = ((sched_tick
- tws->time_of_creation) >> SCHED_TICK_SHIFT);
*start = *start & TWS_HASH_OFF_MASK;
*end = *start + (32 * PAGE_SIZE_64);
if(*end > object_size) {
- *end = trunc_page_64(object_size);
+ *end = trunc_page(object_size);
max_length = 0;
if(before >= *end) {
*end = after;
*end = after +
(32 * PAGE_SIZE_64);
if(*end > object_size) {
- *end = trunc_page_64(object_size);
+ *end = trunc_page(object_size);
max_length = 0;
if(*start >= *end) {
*end = after;
break;
}
- if(start_cache != 0) {
+ if(start_cache != NULL) {
unsigned int mask;
for (mask = 1; mask != 0; mask = mask << 1) {
break;
}
}
- if(end_cache != 0) {
+ if(end_cache != NULL) {
unsigned int mask;
for (mask = 0x80000000;
if (*start >= *end)
panic("bad clipping occurred\n");
- tws_unlock(tws);
return;
}
}
(object_size >=
(after + PAGE_SIZE_64))) {
if(length >= pre_heat_size) {
- if(tws_internal_lookup(tws, after, object,
+ if(tws_lookup(tws, after, object,
&line) != KERN_SUCCESS) {
vm_object_offset_t extend;
extend = after + PAGE_SIZE_64;
- if(tws_internal_lookup(tws, extend, object,
+ if(tws_lookup(tws, extend, object,
&line) != KERN_SUCCESS) {
break;
}
before -= PAGE_SIZE_64;
if(length >= pre_heat_size) {
- if(tws_internal_lookup(tws, before, object,
+ if(tws_lookup(tws, before, object,
&line) != KERN_SUCCESS) {
vm_object_offset_t extend;
if (extend == 0)
break;
extend -= PAGE_SIZE_64;
- if(tws_internal_lookup(tws, extend, object,
+ if(tws_lookup(tws, extend, object,
&line) != KERN_SUCCESS) {
break;
}
*start -= PAGE_SIZE_64;
length += PAGE_SIZE;
}
- tws_unlock(tws);
}
tws_line_signal(
}
-void
-tws_hash_ws_flush(tws_hash_t tws) {
- tws_startup_t scache;
- if(tws == NULL) {
- return;
- }
- tws_lock(tws);
- if(tws->startup_name != NULL) {
- scache = tws_create_startup_list(tws);
- if(scache == NULL) {
- /* dump the name cache, we'll */
- /* get it next time */
- kfree((vm_offset_t)
- tws->startup_name,
- tws->startup_name_length);
- tws->startup_name = NULL;
- tws_unlock(tws);
- return;
- }
- bsd_write_page_cache_file(tws->uid, tws->startup_name,
- scache, scache->tws_hash_size,
- tws->mod, tws->fid);
- kfree((vm_offset_t)scache,
- scache->tws_hash_size);
- kfree((vm_offset_t)
- tws->startup_name,
- tws->startup_name_length);
- tws->startup_name = NULL;
- }
- tws_unlock(tws);
- return;
-}
-
void
tws_hash_destroy(tws_hash_t tws)
{
projects / apple / xnu.git / blobdiff