forked from luck/tmp_suning_uos_patched
d10bcf947a
Combine contiguous regions of PAGE_SIZE pages into single scatter list entry while building the scatter table for a umem. This minimizes the number of the entries in the scatter list and reduces the DMA mapping overhead, particularly with the IOMMU. Set default max_seg_size in core for IB devices to 2G and do not combine if we exceed this limit. Also, purge npages in struct ib_umem as we now DMA map the umem SGL with sg_nents and npage computation is not needed. Drivers should now be using ib_umem_num_pages(), so fix the last stragglers. Move npages tracking to ib_umem_odp as ODP drivers still need it. Suggested-by: Jason Gunthorpe <jgg@ziepe.ca> Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Acked-by: Adit Ranadive <aditr@vmware.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Tested-by: Gal Pressman <galpress@amazon.com> Tested-by: Selvin Xavier <selvin.xavier@broadcom.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com> |
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| .. | ||
| ib_addr.h | ||
| ib_cache.h | ||
| ib_cm.h | ||
| ib_fmr_pool.h | ||
| ib_hdrs.h | ||
| ib_mad.h | ||
| ib_marshall.h | ||
| ib_pack.h | ||
| ib_pma.h | ||
| ib_sa.h | ||
| ib_smi.h | ||
| ib_umem_odp.h | ||
| ib_umem.h | ||
| ib_verbs.h | ||
| ib.h | ||
| iw_cm.h | ||
| iw_portmap.h | ||
| mr_pool.h | ||
| opa_addr.h | ||
| opa_port_info.h | ||
| opa_smi.h | ||
| opa_vnic.h | ||
| rdma_cm_ib.h | ||
| rdma_cm.h | ||
| rdma_netlink.h | ||
| rdma_vt.h | ||
| rdmavt_cq.h | ||
| rdmavt_mr.h | ||
| rdmavt_qp.h | ||
| restrack.h | ||
| rw.h | ||
| tid_rdma_defs.h | ||
| uverbs_ioctl.h | ||
| uverbs_named_ioctl.h | ||
| uverbs_std_types.h | ||
| uverbs_types.h | ||