From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Moyer Subject: [patch 03/10] scsi: allocate scsi_cmnd-s from the device's local numa node Date: Tue, 30 Oct 2012 16:14:37 -0400 Message-ID: <1351628084-29358-6-git-send-email-jmoyer@redhat.com> References: <1351628084-29358-1-git-send-email-jmoyer@redhat.com> Return-path: In-Reply-To: <1351628084-29358-1-git-send-email-jmoyer@redhat.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org Cc: "James E.J. Bottomley" , linux-scsi@vger.kernel.org List-Id: linux-scsi@vger.kernel.org Signed-off-by: Jeff Moyer --- drivers/scsi/scsi.c | 17 +++++++++++------ 1 files changed, 11 insertions(+), 6 deletions(-) diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index 2936b44..4db6973 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -173,16 +173,20 @@ static DEFINE_MUTEX(host_cmd_pool_mutex); * NULL on failure */ static struct scsi_cmnd * -scsi_pool_alloc_command(struct scsi_host_cmd_pool *pool, gfp_t gfp_mask) +scsi_pool_alloc_command(struct scsi_host_cmd_pool *pool, gfp_t gfp_mask, + int node) { struct scsi_cmnd *cmd; - cmd = kmem_cache_zalloc(pool->cmd_slab, gfp_mask | pool->gfp_mask); + cmd = kmem_cache_alloc_node(pool->cmd_slab, + gfp_mask | pool->gfp_mask | __GFP_ZERO, + node); if (!cmd) return NULL; - cmd->sense_buffer = kmem_cache_alloc(pool->sense_slab, - gfp_mask | pool->gfp_mask); + cmd->sense_buffer = kmem_cache_alloc_node(pool->sense_slab, + gfp_mask | pool->gfp_mask | __GFP_ZERO, + node); if (!cmd->sense_buffer) { kmem_cache_free(pool->cmd_slab, cmd); return NULL; @@ -223,7 +227,8 @@ scsi_host_alloc_command(struct Scsi_Host *shost, gfp_t gfp_mask) { struct scsi_cmnd *cmd; - cmd = scsi_pool_alloc_command(shost->cmd_pool, gfp_mask); + cmd = scsi_pool_alloc_command(shost->cmd_pool, gfp_mask, + shost->numa_node); if (!cmd) return NULL; @@ -435,7 +440,7 @@ struct scsi_cmnd *scsi_allocate_command(gfp_t gfp_mask) if (!pool) return NULL; - return scsi_pool_alloc_command(pool, gfp_mask); + return scsi_pool_alloc_command(pool, gfp_mask, NUMA_NO_NODE); } EXPORT_SYMBOL(scsi_allocate_command); -- 1.7.1