diff options
Diffstat (limited to 'net/ceph/messenger.c')
| -rw-r--r-- | net/ceph/messenger.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index bc1ba4c2605d..eb0a46a49bd4 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -155,6 +155,7 @@ static bool con_flag_test_and_set(struct ceph_connection *con, /* Slab caches for frequently-allocated structures */ static struct kmem_cache *ceph_msg_cache; +static struct kmem_cache *ceph_msg_data_cache; /* static tag bytes (protocol control messages) */ static char tag_msg = CEPH_MSGR_TAG_MSG; @@ -236,11 +237,30 @@ static int ceph_msgr_slab_init(void) ceph_msg_cache = kmem_cache_create("ceph_msg", sizeof (struct ceph_msg), __alignof__(struct ceph_msg), 0, NULL); - return ceph_msg_cache ? 0 : -ENOMEM; + + if (!ceph_msg_cache) + return -ENOMEM; + + BUG_ON(ceph_msg_data_cache); + ceph_msg_data_cache = kmem_cache_create("ceph_msg_data", + sizeof (struct ceph_msg_data), + __alignof__(struct ceph_msg_data), + 0, NULL); + if (ceph_msg_data_cache) + return 0; + + kmem_cache_destroy(ceph_msg_cache); + ceph_msg_cache = NULL; + + return -ENOMEM; } static void ceph_msgr_slab_exit(void) { + BUG_ON(!ceph_msg_data_cache); + kmem_cache_destroy(ceph_msg_data_cache); + ceph_msg_data_cache = NULL; + BUG_ON(!ceph_msg_cache); kmem_cache_destroy(ceph_msg_cache); ceph_msg_cache = NULL; @@ -3008,7 +3028,7 @@ static struct ceph_msg_data *ceph_msg_data_create(enum ceph_msg_data_type type) if (WARN_ON(!ceph_msg_data_type_valid(type))) return NULL; - data = kzalloc(sizeof (*data), GFP_NOFS); + data = kmem_cache_zalloc(ceph_msg_data_cache, GFP_NOFS); if (data) data->type = type; INIT_LIST_HEAD(&data->links); @@ -3026,7 +3046,7 @@ static void ceph_msg_data_destroy(struct ceph_msg_data *data) ceph_pagelist_release(data->pagelist); kfree(data->pagelist); } - kfree(data); + kmem_cache_free(ceph_msg_data_cache, data); } void ceph_msg_data_add_pages(struct ceph_msg *msg, struct page **pages, |