12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 #ifndef SHARE_GC_Z_ZPAGECACHE_HPP
25 #define SHARE_GC_Z_ZPAGECACHE_HPP
26
27 #include "gc/z/zList.hpp"
28 #include "gc/z/zPage.hpp"
29 #include "gc/z/zValue.hpp"
30 #include "memory/allocation.hpp"
31
32 class ZPageCache VALUE_OBJ_CLASS_SPEC {
33 private:
34 size_t _available;
35
36 ZPerNUMA<ZList<ZPage> > _small;
37 ZList<ZPage> _medium;
38 ZList<ZPage> _large;
39
40 ZPage* alloc_small_page();
41 ZPage* alloc_medium_page();
42 ZPage* alloc_large_page(size_t size);
43
44 void flush_list(ZList<ZPage>* from, size_t requested, ZList<ZPage>* to, size_t* flushed);
45 void flush_per_numa_lists(ZPerNUMA<ZList<ZPage> >* from, size_t requested, ZList<ZPage>* to, size_t* flushed);
46
47 public:
48 ZPageCache();
49
50 size_t available() const;
51
52 ZPage* alloc_page(uint8_t type, size_t size);
|
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 #ifndef SHARE_GC_Z_ZPAGECACHE_HPP
25 #define SHARE_GC_Z_ZPAGECACHE_HPP
26
27 #include "gc/z/zList.hpp"
28 #include "gc/z/zPage.hpp"
29 #include "gc/z/zValue.hpp"
30 #include "memory/allocation.hpp"
31
32 class ZPageCache {
33 private:
34 size_t _available;
35
36 ZPerNUMA<ZList<ZPage> > _small;
37 ZList<ZPage> _medium;
38 ZList<ZPage> _large;
39
40 ZPage* alloc_small_page();
41 ZPage* alloc_medium_page();
42 ZPage* alloc_large_page(size_t size);
43
44 void flush_list(ZList<ZPage>* from, size_t requested, ZList<ZPage>* to, size_t* flushed);
45 void flush_per_numa_lists(ZPerNUMA<ZList<ZPage> >* from, size_t requested, ZList<ZPage>* to, size_t* flushed);
46
47 public:
48 ZPageCache();
49
50 size_t available() const;
51
52 ZPage* alloc_page(uint8_t type, size_t size);
|