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* Maintain the vm_cache::virtual_size field in all cases. 

* Fixed dumping the area list of a cache I broke with the previous commit.
* Minor cleanup.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@19789 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2007-01-13 18:33:13 +00:00
parent 3e8cd549ec
commit ff718cafed
1 changed files with 9 additions and 5 deletions
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14
src/system/kernel/vm/vm.cpp
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@ -802,6 +802,7 @@ vm_create_anonymous_area(team_id aid, const char *name, void **address,
goto err3;
cache->temporary = 1;
cache->virtual_size = size;
switch (wiring) {
case B_LAZY_LOCK: // for now
@ -1003,6 +1004,7 @@ vm_map_physical_memory(team_id areaID, const char *name, void **_address,
// tell the page scanner to skip over this area, it's pages are special
cache->scan_skip = 1;
cache->virtual_size = size;
status = map_backing_store(addressSpace, store, _address, 0, size,
addressSpec & ~B_MTR_MASK, 0, protection, REGION_NO_PRIVATE_MAP, &area, name);
@ -1046,7 +1048,8 @@ err1:
area_id
vm_create_null_area(team_id aid, const char *name, void **address, uint32 addressSpec, addr_t size)
vm_create_null_area(team_id aid, const char *name, void **address,
uint32 addressSpec, addr_t size)
{
vm_area *area;
vm_cache *cache;
@ -1078,6 +1081,7 @@ vm_create_null_area(team_id aid, const char *name, void **address, uint32 addres
// tell the page scanner to skip over this area, no pages will be mapped here
cache->scan_skip = 1;
cache->virtual_size = size;
status = map_backing_store(addressSpace, store, address, 0, size, addressSpec, 0,
B_KERNEL_READ_AREA, REGION_NO_PRIVATE_MAP, &area, name);
@ -1487,10 +1491,10 @@ vm_copy_on_write_area(vm_area *area)
mutex_lock(&upperCacheRef->lock);
mutex_lock(&lowerCacheRef->lock);
// ToDo: add a child counter to vm_cache - so that we can collapse a
// cache layer when possible (ie. "the other" area was deleted)
upperCache->temporary = 1;
upperCache->scan_skip = lowerCache->scan_skip;
upperCache->virtual_base = lowerCache->virtual_base;
upperCache->virtual_size = lowerCache->virtual_size;
upperCache->source = lowerCache;
list_add_item(&lowerCache->consumers, upperCache);
upperCache->ref = upperCacheRef;
@ -1893,8 +1897,8 @@ dump_cache(int argc, char **argv)
kprintf(" areas:\n");
for (vm_area *area = cacheRef->areas; area != NULL; area = area->cache_next) {
kprintf(" area 0x%lx, %s: ", area->id, area->name);
kprintf("\tbase_addr: 0x%lx, size: 0x%lx", area->base, area->size);
kprintf(" area 0x%lx, %s\n", area->id, area->name);
kprintf("\tbase_addr: 0x%lx, size: 0x%lx\n", area->base, area->size);
kprintf("\tprotection: 0x%lx\n", area->protection);
kprintf("\towner: 0x%lx ", area->address_space->id);
}