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Changed the way the stores commit their memory: there is no special handling

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for temporary memory anymore, it's the store's responsibility to do that
correctly now, and that functionality is reached via the vm_cache using
vm_cache_set_minimal_commitment().
Therefore, the vm_store commit() function now returns a status instead of
the size that could be commited.
Replaced the max_commit mechanism with one that cares about the available
memory, stores can reserve and unreserve such memory. The anonymous_commit()
will now fail in case it could not reserve the needed amount of memory.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9777 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2004-11-03 17:24:41 +00:00
parent 1583190bd8
commit ba44a1e8e1
12 changed files with 120 additions and 122 deletions
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headers/private/kernel/vm_cache.h
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@@ -24,6 +24,7 @@ void vm_cache_release_ref(vm_cache_ref *cache_ref);
vm_page *vm_cache_lookup_page(vm_cache_ref *cacheRef, off_t page);
void vm_cache_insert_page(vm_cache_ref *cacheRef, vm_page *page, off_t offset);
void vm_cache_remove_page(vm_cache_ref *cacheRef, vm_page *page);
status_t vm_cache_set_minimal_commitment(vm_cache_ref *ref, off_t commitment);
status_t vm_cache_resize(vm_cache_ref *cacheRef, size_t newSize);
status_t vm_cache_insert_region(vm_cache_ref *cacheRef, vm_region *region);
status_t vm_cache_remove_region(vm_cache_ref *cacheRef, vm_region *region);