diff options
| -rw-r--r-- | device/intr.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/device/intr.c b/device/intr.c index b0dcd83..0fa43c5 100644 --- a/device/intr.c +++ b/device/intr.c @@ -10,6 +10,9 @@ #define sti() __asm__ __volatile__ ("sti": : :"memory") #define cli() __asm__ __volatile__ ("cli": : :"memory") +/* The cache which holds our proxy memory objects. */ +static struct kmem_cache intr_entry_cache; + struct intr_entry { queue_chain_t chain; @@ -58,7 +61,7 @@ insert_intr_entry (int line, ipc_port_t dest, struct intr_entry **entry) struct intr_entry *e, *new; int free = 0; - new = (struct intr_entry *) kalloc (sizeof (*new)); + new = (struct intr_entry *) kmem_cache_alloc (&intr_entry_cache); if (new == NULL) return D_NO_MEMORY; new->line = line; @@ -81,7 +84,7 @@ insert_intr_entry (int line, ipc_port_t dest, struct intr_entry **entry) out: sti (); if (free) - kfree ((vm_offset_t) new, sizeof (*new)); + kmem_cache_free (&intr_entry_cache, (vm_offset_t) new); *entry = new; return err; } @@ -146,6 +149,9 @@ intr_thread () queue_init (&intr_queue); init_mach_intr_notification (&mach_intr_notification_template); + kmem_cache_init (&intr_entry_cache, "intr_entry", + sizeof (struct intr_entry), 0, NULL, 0); + for (;;) { assert_wait ((event_t) &intr_thread, FALSE); @@ -183,7 +189,7 @@ intr_thread () assert (!queue_empty (&intr_queue)); queue_remove (&intr_queue, e, struct intr_entry *, chain); sti (); - kfree ((vm_offset_t) e, sizeof (*e)); + kmem_cache_free (&intr_entry_cache, (vm_offset_t) e); cli (); } } |