@@ -147,11 +147,14 @@ int frwr_init_mr(struct rpcrdma_ia *ia, struct rpcrdma_mr *mr)
struct ib_mr *frmr;
int rc;
+ /* NB: ib_alloc_mr and device drivers typically allocate
+ * memory with GFP_KERNEL.
+ */
frmr = ib_alloc_mr(ia->ri_pd, ia->ri_mrtype, depth);
if (IS_ERR(frmr))
goto out_mr_err;
- sg = kcalloc(depth, sizeof(*sg), GFP_KERNEL);
+ sg = kcalloc(depth, sizeof(*sg), GFP_NOFS);
if (!sg)
goto out_list_err;
@@ -171,8 +174,6 @@ int frwr_init_mr(struct rpcrdma_ia *ia, struct rpcrdma_mr *mr)
return rc;
out_list_err:
- dprintk("RPC: %s: sg allocation failure\n",
- __func__);
ib_dereg_mr(frmr);
return -ENOMEM;
}
@@ -949,7 +949,7 @@ rpcrdma_mrs_create(struct rpcrdma_xprt *r_xprt)
struct rpcrdma_mr *mr;
int rc;
- mr = kzalloc(sizeof(*mr), GFP_KERNEL);
+ mr = kzalloc(sizeof(*mr), GFP_NOFS);
if (!mr)
break;
Probably would be good to also pass GFP flags to ib_alloc_mr. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> --- net/sunrpc/xprtrdma/frwr_ops.c | 7 ++++--- net/sunrpc/xprtrdma/verbs.c | 2 +- 2 files changed, 5 insertions(+), 4 deletions(-)