diff options
Diffstat (limited to 'vm/memory_object_proxy.c')
| -rw-r--r-- | vm/memory_object_proxy.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/vm/memory_object_proxy.c b/vm/memory_object_proxy.c index fdab6e0..9c0528c 100644 --- a/vm/memory_object_proxy.c +++ b/vm/memory_object_proxy.c @@ -41,15 +41,15 @@ #include <mach/notify.h> #include <mach/vm_prot.h> #include <kern/printf.h> -#include <kern/zalloc.h> +#include <kern/slab.h> #include <kern/mach_param.h> #include <ipc/ipc_port.h> #include <ipc/ipc_space.h> #include <vm/memory_object_proxy.h> -/* The zone which holds our proxy memory objects. */ -static zone_t memory_object_proxy_zone; +/* The cache which holds our proxy memory objects. */ +static struct kmem_cache memory_object_proxy_cache; struct memory_object_proxy { @@ -64,13 +64,8 @@ typedef struct memory_object_proxy *memory_object_proxy_t; void memory_object_proxy_init (void) { - /* For limit, see PORT_MAX. */ - memory_object_proxy_zone = zinit (sizeof (struct memory_object_proxy), 0, - (TASK_MAX * 3 + THREAD_MAX) - * sizeof (struct memory_object_proxy), - 256 * sizeof (struct memory_object_proxy), - ZONE_EXHAUSTIBLE, - "proxy memory object zone"); + kmem_cache_init (&memory_object_proxy_cache, "memory_object_proxy", + sizeof (struct memory_object_proxy), 0, NULL, NULL, NULL, 0); } /* Lookup a proxy memory object by its port. */ @@ -153,13 +148,13 @@ memory_object_create_proxy (ipc_space_t space, vm_prot_t max_protection, if (start[0] != 0 || len[0] != (vm_offset_t) ~0) return KERN_INVALID_ARGUMENT; - proxy = (memory_object_proxy_t) zalloc (memory_object_proxy_zone); + proxy = (memory_object_proxy_t) kmem_cache_alloc (&memory_object_proxy_cache); /* Allocate port, keeping a reference for it. */ proxy->port = ipc_port_alloc_kernel (); if (proxy->port == IP_NULL) { - zfree (memory_object_proxy_zone, (vm_offset_t) proxy); + kmem_cache_free (&memory_object_proxy_cache, (vm_offset_t) proxy); return KERN_RESOURCE_SHORTAGE; } /* Associate the port with the proxy memory object. */ |