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| author | Andy Grover <andy.grover@oracle.com> | 2010-04-23 10:49:53 -0700 |
|---|---|---|
| committer | Andy Grover <andy.grover@oracle.com> | 2010-09-08 18:14:06 -0700 |
| commit | e4c52c98e04937ea87b0979a81354d0040d284f9 (patch) | |
| tree | c7bfbd9d952ebb66e7491d7c3a1bc91db3fbfbb8 /net/rds/ib.h | |
| parent | 4a81802b5e5e0b059627d7173c917711cf35e668 (diff) | |
| download | linux-e4c52c98e04937ea87b0979a81354d0040d284f9.tar.gz linux-e4c52c98e04937ea87b0979a81354d0040d284f9.tar.bz2 linux-e4c52c98e04937ea87b0979a81354d0040d284f9.zip | |
RDS/IB: add _to_node() macros for numa and use {k,v}malloc_node()
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>
Diffstat (limited to 'net/rds/ib.h')
| -rw-r--r-- | net/rds/ib.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/rds/ib.h b/net/rds/ib.h index c506604325d5..4bc3e2fba25a 100644 --- a/net/rds/ib.h +++ b/net/rds/ib.h @@ -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 |