diff options
Diffstat (limited to 'ipc/msgutil.c')
| -rw-r--r-- | ipc/msgutil.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/ipc/msgutil.c b/ipc/msgutil.c index d0a0e877cadd..e28f0cecb2ec 100644 --- a/ipc/msgutil.c +++ b/ipc/msgutil.c @@ -15,6 +15,7 @@ #include <linux/proc_ns.h> #include <linux/uaccess.h> #include <linux/sched.h> +#include <linux/nstree.h> #include "util.h" @@ -26,12 +27,8 @@ DEFINE_SPINLOCK(mq_lock); * and not CONFIG_IPC_NS. */ struct ipc_namespace init_ipc_ns = { - .ns.count = REFCOUNT_INIT(1), + .ns = NS_COMMON_INIT(init_ipc_ns), .user_ns = &init_user_ns, - .ns.inum = PROC_IPC_INIT_INO, -#ifdef CONFIG_IPC_NS - .ns.ops = &ipcns_operations, -#endif }; struct msg_msgseg { @@ -42,6 +39,17 @@ struct msg_msgseg { #define DATALEN_MSG ((size_t)PAGE_SIZE-sizeof(struct msg_msg)) #define DATALEN_SEG ((size_t)PAGE_SIZE-sizeof(struct msg_msgseg)) +static kmem_buckets *msg_buckets __ro_after_init; + +static int __init init_msg_buckets(void) +{ + msg_buckets = kmem_buckets_create("msg_msg", SLAB_ACCOUNT, + sizeof(struct msg_msg), + DATALEN_MSG, NULL); + + return 0; +} +subsys_initcall(init_msg_buckets); static struct msg_msg *alloc_msg(size_t len) { @@ -50,7 +58,7 @@ static struct msg_msg *alloc_msg(size_t len) size_t alen; alen = min(len, DATALEN_MSG); - msg = kmalloc(sizeof(*msg) + alen, GFP_KERNEL_ACCOUNT); + msg = kmem_buckets_alloc(msg_buckets, sizeof(*msg) + alen, GFP_KERNEL); if (msg == NULL) return NULL; |