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RDS/IB: add _to_node() macros for numa and use {k,v}malloc_node()

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Allocate send/recv rings in memory that is node-local to the HCA.
This significantly helps performance.

Signed-off-by: Andy Grover <andy.grover@oracle.com>
This commit is contained in:
Andy Grover 2010-04-23 10:49:53 -07:00
parent 4a81802b5e
commit e4c52c98e0
4 changed files with 14 additions and 5 deletions
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6
net/rds/ib.h
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@ -3,6 +3,8 @@
#include <rdma/ib_verbs.h>
#include <rdma/rdma_cm.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include "rds.h"
#include "rdma_transport.h"
@ -167,6 +169,10 @@ struct rds_ib_device {
spinlock_t spinlock; /* protect the above */
};
#define pcidev_to_node(pcidev) pcibus_to_node(pcidev->bus)
#define ibdev_to_node(ibdev) pcidev_to_node(to_pci_dev(ibdev->dma_device))
#define rdsibdev_to_node(rdsibdev) ibdev_to_node(rdsibdev->dev)
/* bits for i_ack_flags */
#define IB_ACK_IN_FLIGHT 0
#define IB_ACK_REQUESTED 1