IB/umem: Add support to huge ODP
Add IB_ACCESS_HUGETLB ib_reg_mr flag.
Hugetlb region registered with this flag
will use single translation entry per huge page.
Signed-off-by: Artemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/include/rdma/ib_umem_odp.h b/include/rdma/ib_umem_odp.h
index 542cd8b..fb67554 100644
--- a/include/rdma/ib_umem_odp.h
+++ b/include/rdma/ib_umem_odp.h
@@ -84,7 +84,8 @@
#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
-int ib_umem_odp_get(struct ib_ucontext *context, struct ib_umem *umem);
+int ib_umem_odp_get(struct ib_ucontext *context, struct ib_umem *umem,
+ int access);
struct ib_umem *ib_alloc_odp_umem(struct ib_ucontext *context,
unsigned long addr,
size_t size);
@@ -154,7 +155,8 @@
#else /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */
static inline int ib_umem_odp_get(struct ib_ucontext *context,
- struct ib_umem *umem)
+ struct ib_umem *umem,
+ int access)
{
return -EINVAL;
}