[ofa-general] [PATCH] ib_core: save process's virtual address in struct ib_umem
Eli Cohen
eli at mellanox.co.il
Sun Jan 25 01:45:06 PST 2009
add "address" field to struct ib_umem so low level drivers will have this
information which may be needed in order to correctly calculate the number of
huge pages.
Signed-off-by: Eli Cohen <eli at mellanox.co.il>
---
drivers/infiniband/core/umem.c | 1 +
include/rdma/ib_umem.h | 1 +
2 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c
index 6f7c096..4c076c4 100644
--- a/drivers/infiniband/core/umem.c
+++ b/drivers/infiniband/core/umem.c
@@ -102,6 +102,7 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr,
umem->context = context;
umem->length = size;
umem->offset = addr & ~PAGE_MASK;
+ umem->address = addr;
umem->page_size = PAGE_SIZE;
/*
* We ask for writable memory if any access flags other than
diff --git a/include/rdma/ib_umem.h b/include/rdma/ib_umem.h
index 9ee0d2e..c385bb6 100644
--- a/include/rdma/ib_umem.h
+++ b/include/rdma/ib_umem.h
@@ -43,6 +43,7 @@ struct ib_umem {
struct ib_ucontext *context;
size_t length;
int offset;
+ unsigned long address;
int page_size;
int writable;
int hugetlb;
--
1.6.1
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