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mmlr (distracted) + bonefish:

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* Turn VMCache::consumers C list into a DoublyLinkedList.
* Use object caches for the different VMCache types and the VMCacheRefs.
  The purpose is to reduce slab area fragmentation.
* Requires the introduction of a pure virtual VMCache::DeleteObject()
  method, implemented in the derived classes.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43133 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold
2011-11-02 21:14:11 +00:00
parent ef9d9a1720
commit f8154d172d
14 changed files with 158 additions and 62 deletions
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src/system/kernel/cache/file_cache.cpp
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+1 -1
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@@ -290,7 +290,7 @@ reserve_pages(file_cache_ref* ref, vm_page_reservation* reservation,
VMCache* cache = ref->cache;
cache->Lock();
if (list_is_empty(&cache->consumers) && cache->areas == NULL
if (cache->consumers.IsEmpty() && cache->areas == NULL
&& access_is_sequential(ref)) {
// we are not mapped, and we're accessed sequentially