[PATCH V2 3/3] nvme: allocate nvme_queue in correct node

From: Shaohua Li
Date: Wed Feb 01 2017 - 12:53:36 EST


nvme_queue is per-cpu queue (mostly). Allocating it in node where blk-mq
will use it.

Signed-off-by: Shaohua Li <shli@xxxxxx>
---
drivers/nvme/host/pci.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 032237c..9733008 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1040,9 +1040,10 @@ static int nvme_alloc_sq_cmds(struct nvme_dev *dev, struct nvme_queue *nvmeq,
}

static struct nvme_queue *nvme_alloc_queue(struct nvme_dev *dev, int qid,
- int depth)
+ int depth, int node)
{
- struct nvme_queue *nvmeq = kzalloc(sizeof(*nvmeq), GFP_KERNEL);
+ struct nvme_queue *nvmeq = kzalloc_node(sizeof(*nvmeq), GFP_KERNEL,
+ node);
if (!nvmeq)
return NULL;

@@ -1219,7 +1220,8 @@ static int nvme_configure_admin_queue(struct nvme_dev *dev)

nvmeq = dev->queues[0];
if (!nvmeq) {
- nvmeq = nvme_alloc_queue(dev, 0, NVME_AQ_DEPTH);
+ nvmeq = nvme_alloc_queue(dev, 0, NVME_AQ_DEPTH,
+ dev_to_node(dev->dev));
if (!nvmeq)
return -ENOMEM;
}
@@ -1311,7 +1313,9 @@ static int nvme_create_io_queues(struct nvme_dev *dev)
int ret = 0;

for (i = dev->queue_count; i <= dev->max_qid; i++) {
- if (!nvme_alloc_queue(dev, i, dev->q_depth)) {
+ /* vector == qid - 1, match nvme_create_queue */
+ if (!nvme_alloc_queue(dev, i, dev->q_depth,
+ pci_irq_get_node(to_pci_dev(dev->dev), i - 1))) {
ret = -ENOMEM;
break;
}
--
2.9.3