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path: root/net/sunrpc/xprtrdma/svc_rdma_transport.c
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Diffstat (limited to 'net/sunrpc/xprtrdma/svc_rdma_transport.c')
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_transport.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index 8752a2d653b5..11d5133c3f38 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -733,17 +733,19 @@ static struct svc_rdma_fastreg_mr *rdma_alloc_frmr(struct svcxprt_rdma *xprt)
struct ib_mr *mr;
struct ib_fast_reg_page_list *pl;
struct svc_rdma_fastreg_mr *frmr;
+ u32 num_sg;
frmr = kmalloc(sizeof(*frmr), GFP_KERNEL);
if (!frmr)
goto err;
- mr = ib_alloc_mr(xprt->sc_pd, IB_MR_TYPE_MEM_REG, RPCSVC_MAXPAGES);
+ num_sg = min_t(u32, RPCSVC_MAXPAGES, xprt->sc_frmr_pg_list_len);
+ mr = ib_alloc_mr(xprt->sc_pd, IB_MR_TYPE_MEM_REG, num_sg);
if (IS_ERR(mr))
goto err_free_frmr;
pl = ib_alloc_fast_reg_page_list(xprt->sc_cm_id->device,
- RPCSVC_MAXPAGES);
+ num_sg);
if (IS_ERR(pl))
goto err_free_mr;