*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
#ifndef __LIBCFS_PRIM_H__
#define __LIBCFS_PRIM_H__
-/*
- * Wait Queues
- */
-/*
- * Timer
- */
-typedef void (cfs_timer_func_t)(ulong_ptr_t);
-
-void cfs_init_timer(struct timer_list *t);
-void cfs_timer_init(struct timer_list *t, cfs_timer_func_t *func, void *arg);
-void cfs_timer_done(struct timer_list *t);
-void cfs_timer_arm(struct timer_list *t, cfs_time_t deadline);
-void cfs_timer_disarm(struct timer_list *t);
-int cfs_timer_is_armed(struct timer_list *t);
-cfs_time_t cfs_timer_deadline(struct timer_list *t);
+#include <linux/mm.h>
+#include <linux/sched.h>
/*
* Memory
*/
-static inline int cfs_memory_pressure_get_and_set(void)
-{
- int old = memory_pressure_get();
-
- if (!old)
- memory_pressure_set();
- return old;
-}
+#if BITS_PER_LONG == 32
+/* limit to lowmem on 32-bit systems */
+# define NUM_CACHEPAGES \
+ min(cfs_totalram_pages(), 1UL << (30 - PAGE_SHIFT) * 3 / 4)
+#else
+# define NUM_CACHEPAGES cfs_totalram_pages()
+#endif
-static inline void cfs_memory_pressure_restore(int old)
-{
- if (old)
- memory_pressure_set();
- else
- memory_pressure_clr();
- return;
-}
#endif