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authorManjunath Patil <manjunath.b.patil@oracle.com>2020-10-06 14:31:37 -0700
committerJakub Kicinski <kuba@kernel.org>2020-10-09 12:32:03 -0700
commit9f0bb95eeeb4677fec92a17133d350430b33f027 (patch)
tree7ccfdc64fd151d5c09f786f6105d6a2daaae24c5 /net/rds
parent91bca7f7104c3e98b9d47c2b5e3622bf7a6a89e1 (diff)
downloadlinux-9f0bb95eeeb4677fec92a17133d350430b33f027.tar.bz2
net/rds: suppress page allocation failure error in recv buffer refill
RDS/IB tries to refill the recv buffer in softirq context using GFP_NOWAIT flag. However alloc failure is handled by queueing a work to refill the recv buffer with GFP_KERNEL flag. This means failure to allocate with GFP_NOWAIT isn't fatal. Do not print the PAF warnings if softirq context fails to refill the recv buffer. We will see the PAF warnings when worker also fails to allocate. Signed-off-by: Manjunath Patil <manjunath.b.patil@oracle.com> Reviewed-by: Aruna Ramakrishna <aruna.ramakrishna@oracle.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/rds')
-rw-r--r--net/rds/ib_recv.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c
index 694d411dc72f..3cffcec5fb37 100644
--- a/net/rds/ib_recv.c
+++ b/net/rds/ib_recv.c
@@ -310,8 +310,8 @@ static int rds_ib_recv_refill_one(struct rds_connection *conn,
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;
+ gfp_t slab_mask = gfp;
+ gfp_t page_mask = gfp;
if (gfp & __GFP_DIRECT_RECLAIM) {
slab_mask = GFP_KERNEL;
@@ -1020,7 +1020,7 @@ void rds_ib_recv_cqe_handler(struct rds_ib_connection *ic,
rds_ib_stats_inc(s_ib_rx_ring_empty);
if (rds_ib_ring_low(&ic->i_recv_ring)) {
- rds_ib_recv_refill(conn, 0, GFP_NOWAIT);
+ rds_ib_recv_refill(conn, 0, GFP_NOWAIT | __GFP_NOWARN);
rds_ib_stats_inc(s_ib_rx_refill_from_cq);
}
}