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0fc052b47d
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21 Commits

Author SHA1 Message Date
Ingo Weinhold
0fc052b47d Moved the definition of the CACHE_ALIGN_ON_SIZE flag to the header and fixed 
its value.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@35163 a95241bf-73f2-0310-859d-f6bbb57e9c96
 2010-01-19 10:17:16 +00:00
Ingo Weinhold
a8806e5e0d * Renamed headers/private/kernel/slab/Depot.h to ObjectDepot.h. 
* Moved the object depot code to its own source file.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@35161 a95241bf-73f2-0310-859d-f6bbb57e9c96
 2010-01-19 10:12:48 +00:00
Ingo Weinhold
1cda5944ad Added object_cache_set_minimum_reserve() which sets the minimal number 
of free objects an object cache should try to have ready. If the number
of free objects drops below the threshold, a new urgent priority thread
is asked to asynchronously resize the object cache (pretty similar to
the heap grower thread). Such a mechanism is necessary for code paths
that are supposed to free pages, but may need memory themselves (like
the swap support).


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27100 a95241bf-73f2-0310-859d-f6bbb57e9c96
 2008-08-21 03:21:37 +00:00
Ingo Weinhold
5db876653b Added object_cache_get_usage() function that returns the memory 
allocated by an object cache.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@26835 a95241bf-73f2-0310-859d-f6bbb57e9c96
 2008-08-06 00:07:55 +00:00
Axel Dörfler
45b17b80d1 * Temporarily switched to a recursive lock for the depot. 
* While this is not a really good idea for a lock with supposedly little
  contention, but it'll fix bug #1731. I haven't tested it yet, but will
  do so in a minute :-)
* I will need to rework the slab anyway so that it's possible to use it
  as a replacement for our heap, and then I'll switch back to a benaphore
  again.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23822 a95241bf-73f2-0310-859d-f6bbb57e9c96
 2008-02-02 12:12:54 +00:00
Axel Dörfler
c6ee79ce38 * vm_create_anonymous_area() now accepts B_ANY_KERNEL_BLOCK_ADDRESS. 
* As a temporary work-around for the current slab allocator's area usage,
  I added the CACHE_LARGE_SLAB flag, which will force the allocator to 
  use larger areas.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23564 a95241bf-73f2-0310-859d-f6bbb57e9c96
 2008-01-16 20:30:16 +00:00
Axel Dörfler
23128566a4 Slab.h no longer includes Depot.h. 
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22647 a95241bf-73f2-0310-859d-f6bbb57e9c96
 2007-10-21 20:56:34 +00:00
Axel Dörfler
b623d277fa Moved Base.h into Slab.h, and removed Base.h. 
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22646 a95241bf-73f2-0310-859d-f6bbb57e9c96
 2007-10-21 20:44:19 +00:00
Hugo Santos
39af445966 added object_cache_reserve to allow cache users to pre-allocate slabs. 
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20912 a95241bf-73f2-0310-859d-f6bbb57e9c96
 2007-04-29 21:45:23 +00:00
Hugo Santos
11debaf6e4 added CACHE_UNLOCKED_PAGES flag to allow caches' pages to be created with no locking instead of full locking. 
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20911 a95241bf-73f2-0310-859d-f6bbb57e9c96
 2007-04-29 20:55:44 +00:00
Hugo Santos
0be6e97788 minimal cleanups 
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20901 a95241bf-73f2-0310-859d-f6bbb57e9c96
 2007-04-29 13:11:30 +00:00
Hugo Santos
6bad493439 pushed the slab init a bit deeper. added a object cache based allocator, including a bootstrap mechanism to have it init during bootup. 
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20896 a95241bf-73f2-0310-859d-f6bbb57e9c96
 2007-04-29 02:23:37 +00:00
Hugo Santos
6e31ae98f9 some object cache / slab improvements. 
- call the reclaimer callback when low on memory.
 - use the depot when on multi-cpu setups (for scalability).
 - fixed the amount of memory spent on slabs for very large objects.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20889 a95241bf-73f2-0310-859d-f6bbb57e9c96
 2007-04-28 21:35:23 +00:00
Hugo Santos
11b5020f2f rewrote the object cache (slab) implementation a bit, preparing for further integration. 
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20887 a95241bf-73f2-0310-859d-f6bbb57e9c96
 2007-04-28 18:53:58 +00:00
Hugo Santos
8a96ba39e3 some slab cleanups, split the C interface to another file. 
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20875 a95241bf-73f2-0310-859d-f6bbb57e9c96
 2007-04-28 09:37:38 +00:00
Hugo Santos
5d6551d69f removed some of the slab's initial heavy debugging. we now merge the links into the slab itself resulting in zero overhead per buffer with MergedLink strategy. 
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20841 a95241bf-73f2-0310-859d-f6bbb57e9c96
 2007-04-26 15:40:53 +00:00
Hugo Santos
e6fb3d3947 more slab fixes, also introduced a new strategy optimized for medium sized buffers (64 >= x < 512) with lengths other than power of 2 (has an overhead of 2 words per buffer). 
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20839 a95241bf-73f2-0310-859d-f6bbb57e9c96
 2007-04-26 11:38:24 +00:00
Hugo Santos
dd89ad0e7e added locking to slab's Cache<>. Now we react to system's low memory conditions freeing up empty slabs. 
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20836 a95241bf-73f2-0310-859d-f6bbb57e9c96
 2007-04-26 07:31:19 +00:00
Hugo Santos
b8c0d6618e gcc 4 compilation fixes. 
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20835 a95241bf-73f2-0310-859d-f6bbb57e9c96
 2007-04-26 06:32:25 +00:00
Hugo Santos
81bc570922 assorted slab fixes. 
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20833 a95241bf-73f2-0310-859d-f6bbb57e9c96
 2007-04-26 06:05:08 +00:00
Hugo Santos
81423c91c7 added initial slab code to the kernel. It is still unused, and there is still no VM interaction. 
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20832 a95241bf-73f2-0310-859d-f6bbb57e9c96
 2007-04-26 03:41:24 +00:00