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RDMA/rw: use DIV_ROUND_UP to calculate nr_ops
author
Max Gurtovoy
<maxg@mellanox.com>
Mon, 13 Apr 2020 13:39:05 +0000
(16:39 +0300)
committer
Jason Gunthorpe
<jgg@mellanox.com>
Wed, 15 Apr 2020 14:34:49 +0000
(11:34 -0300)
Don't open-code DIV_ROUND_UP() kernel macro.
Link:
https://lore.kernel.org/r/20200413133905.933343-1-leon@kernel.org
Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
drivers/infiniband/core/rw.c
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diff --git
a/drivers/infiniband/core/rw.c
b/drivers/infiniband/core/rw.c
index
557efbf
..
614cff8
100644
(file)
--- a/
drivers/infiniband/core/rw.c
+++ b/
drivers/infiniband/core/rw.c
@@
-129,7
+129,7
@@
static int rdma_rw_init_mr_wrs(struct rdma_rw_ctx *ctx, struct ib_qp *qp,
qp->integrity_en);
int i, j, ret = 0, count = 0;
- ctx->nr_ops =
(sg_cnt + pages_per_mr - 1) / pages_per_mr
;
+ ctx->nr_ops =
DIV_ROUND_UP(sg_cnt, pages_per_mr)
;
ctx->reg = kcalloc(ctx->nr_ops, sizeof(*ctx->reg), GFP_KERNEL);
if (!ctx->reg) {
ret = -ENOMEM;