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author | Jörn Engel <joern@logfs.org> | 2012-03-15 15:05:40 -0400 |
---|---|---|
committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2012-03-15 19:15:51 -0700 |
commit | f2083241f23722207676025abbb45a301d412e69 (patch) | |
tree | c340376faf2a1eebe0983075adee2a3c8070c064 /drivers/target/target_core_tpg.c | |
parent | 4a5a75f32dcbcd0b2685f74fd4ede26edf8765a9 (diff) | |
download | talos-obmc-linux-f2083241f23722207676025abbb45a301d412e69.tar.gz talos-obmc-linux-f2083241f23722207676025abbb45a301d412e69.zip |
target: Use array_zalloc for device_list
Turns an order-8 allocation into slab-sized ones, thereby preventing
allocation failures with memory fragmentation.
This likely saves memory as well, as the slab allocator can pack objects
more tightly than the buddy allocator.
(nab: Fix lio-core patch fuzz)
Signed-off-by: Joern Engel <joern@logfs.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target/target_core_tpg.c')
-rw-r--r-- | drivers/target/target_core_tpg.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c index 146fe47f11c1..c0fecde02fd0 100644 --- a/drivers/target/target_core_tpg.c +++ b/drivers/target/target_core_tpg.c @@ -64,7 +64,7 @@ static void core_clear_initiator_node_from_tpg( spin_lock_irq(&nacl->device_list_lock); for (i = 0; i < TRANSPORT_MAX_LUNS_PER_TPG; i++) { - deve = &nacl->device_list[i]; + deve = nacl->device_list[i]; if (!(deve->lun_flags & TRANSPORT_LUNFLAGS_INITIATOR_ACCESS)) continue; @@ -259,15 +259,15 @@ static int core_create_device_list_for_node(struct se_node_acl *nacl) struct se_dev_entry *deve; int i; - nacl->device_list = kzalloc(sizeof(struct se_dev_entry) * - TRANSPORT_MAX_LUNS_PER_TPG, GFP_KERNEL); + nacl->device_list = array_zalloc(TRANSPORT_MAX_LUNS_PER_TPG, + sizeof(struct se_dev_entry), GFP_KERNEL); if (!nacl->device_list) { pr_err("Unable to allocate memory for" " struct se_node_acl->device_list\n"); return -ENOMEM; } for (i = 0; i < TRANSPORT_MAX_LUNS_PER_TPG; i++) { - deve = &nacl->device_list[i]; + deve = nacl->device_list[i]; atomic_set(&deve->ua_count, 0); atomic_set(&deve->pr_ref_count, 0); |