diff options
| -rw-r--r-- | net/rds/ib_recv.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c index 5b429b7fd81..1add097fe19 100644 --- a/net/rds/ib_recv.c +++ b/net/rds/ib_recv.c @@ -238,7 +238,8 @@ void rds_ib_recv_clear_ring(struct rds_ib_connection *ic) rds_ib_recv_clear_one(ic, &ic->i_recvs[i]); } -static struct rds_ib_incoming *rds_ib_refill_one_inc(struct rds_ib_connection *ic) +static struct rds_ib_incoming *rds_ib_refill_one_inc(struct rds_ib_connection *ic, + gfp_t slab_mask) { struct rds_ib_incoming *ibinc; struct list_head *cache_item; @@ -254,7 +255,7 @@ static struct rds_ib_incoming *rds_ib_refill_one_inc(struct rds_ib_connection *i rds_ib_stats_inc(s_ib_rx_alloc_limit); return NULL; } - ibinc = kmem_cache_alloc(rds_ib_incoming_slab, GFP_NOWAIT); + ibinc = kmem_cache_alloc(rds_ib_incoming_slab, slab_mask); if (!ibinc) { atomic_dec(&rds_ib_allocation); return NULL; @@ -266,7 +267,8 @@ static struct rds_ib_incoming *rds_ib_refill_one_inc(struct rds_ib_connection *i return ibinc; } -static struct rds_page_frag *rds_ib_refill_one_frag(struct rds_ib_connection *ic) +static struct rds_page_frag *rds_ib_refill_one_frag(struct rds_ib_connection *ic, + gfp_t slab_mask, gfp_t page_mask) { struct rds_page_frag *frag; struct list_head *cache_item; @@ -276,12 +278,12 @@ static struct rds_page_frag *rds_ib_refill_one_frag(struct rds_ib_connection *ic if (cache_item) { frag = container_of(cache_item, struct rds_page_frag, f_cache_entry); } else { - frag = kmem_cache_alloc(rds_ib_frag_slab, GFP_NOWAIT); + frag = kmem_cache_alloc(rds_ib_frag_slab, slab_mask); if (!frag) return NULL; ret = rds_page_remainder_alloc(&frag->f_sg, - RDS_FRAG_SIZE, GFP_NOWAIT); + RDS_FRAG_SIZE, page_mask); if (ret) { kmem_cache_free(rds_ib_frag_slab, frag); return NULL; @@ -294,11 +296,18 @@ static struct rds_page_frag *rds_ib_refill_one_frag(struct rds_ib_connection *ic } static int rds_ib_recv_refill_one(struct rds_connection *conn, - struct rds_ib_recv_work *recv) + struct rds_ib_recv_work *recv, int prefill) { struct rds_ib_connection *ic = conn->c_transport_data; struct ib_sge *sge; int ret = -ENOMEM; + gfp_t slab_mask = GFP_NOWAIT; + gfp_t page_mask = GFP_NOWAIT; + + if (prefill) { + slab_mask = GFP_KERNEL; + page_mask = GFP_HIGHUSER; + } if (!ic->i_cache_incs.ready) rds_ib_cache_xfer_to_ready(&ic->i_cache_incs); @@ -310,13 +319,13 @@ static int rds_ib_recv_refill_one(struct rds_connection *conn, * recvs that were continuations will still have this allocated. */ if (!recv->r_ibinc) { - recv->r_ibinc = rds_ib_refill_one_inc(ic); + recv->r_ibinc = rds_ib_refill_one_inc(ic, slab_mask); if (!recv->r_ibinc) goto out; } WARN_ON(recv->r_frag); /* leak! */ - recv->r_frag = rds_ib_refill_one_frag(ic); + recv->r_frag = rds_ib_refill_one_frag(ic, slab_mask, page_mask); if (!recv->r_frag) goto out; @@ -363,7 +372,7 @@ int rds_ib_recv_refill(struct rds_connection *conn, int prefill) } recv = &ic->i_recvs[pos]; - ret = rds_ib_recv_refill_one(conn, recv); + ret = rds_ib_recv_refill_one(conn, recv, prefill); if (ret) { ret = -1; break; |