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NeilBrown 7e68a2bd21 SUNRPC: don't pause on incomplete allocation 
[ Upstream commit e38b3f2005 ]

alloc_pages_bulk_array() attempts to allocate at least one page based on
the provided pages, and then opportunistically allocates more if that
can be done without dropping the spinlock.

So if it returns fewer than requested, that could just mean that it
needed to drop the lock.  In that case, try again immediately.

Only pause for a time if no progress could be made.

Reported-and-tested-by: Mike Javorski <mike.javorski@gmail.com>
Reported-and-tested-by: Lothar Paltins <lopa@mailbox.org>
Fixes: f6e70aab9d ("SUNRPC: refresh rq_pages using a bulk page allocator")
Signed-off-by: NeilBrown <neilb@suse.de>
Acked-by: Mel Gorman <mgorman@suse.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-09-26 14:10:18 +02:00
..
6lowpan 6lowpan: iphc: Fix an off-by-one check of array index 2021-09-15 10:02:14 +02:00
9p 9p/trans_virtio: Remove sysfs file on probe failure 2021-09-26 14:10:17 +02:00
802 net/802/garp: fix memleak in garp_request_join() 2021-07-01 11:21:57 -07:00
8021q net: vlan: pass thru all GSO_SOFTWARE in hw_enc_features 2021-06-18 11:58:03 -07:00
appletalk Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-18 19:47:02 -07:00
atm atm: Use list_for_each_entry() to simplify code in resources.c 2021-06-10 14:08:09 -07:00
ax25
batman-adv Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-18 19:47:02 -07:00
bluetooth Bluetooth: Fix race condition in handling NOP command 2021-09-18 13:43:51 +02:00
bpf bpf: Add missing bpf_read_[un]lock_trace() for syscall program 2021-08-10 10:10:49 +02:00
bpfilter bpfilter: Specify the log level for the kmsg message 2021-06-25 13:13:50 +02:00
bridge net: bridge: fix memleak in br_add_if() 2021-08-10 13:25:14 -07:00
caif net-caif: avoid user-triggerable WARN_ON(1) 2021-09-22 12:39:19 +02:00
can can: j1939: j1939_xtp_rx_dat_one(): fix rxtimer value between consecutive TP.DT to 750ms 2021-07-24 19:02:24 +02:00
ceph Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
core net: Fix offloading indirect devices dependency on qdisc order creation 2021-09-18 13:43:53 +02:00
dcb net: dcb: Return the correct errno code 2021-06-01 17:01:33 -07:00
dccp dccp: don't duplicate ccid when cloning dccp sock 2021-09-22 12:39:19 +02:00
decnet net: decnet: Fix sleeping inside in af_decnet 2021-07-16 14:06:16 -07:00
dns_resolver
dsa net: dsa: tag_rtl4_a: Fix egress tags 2021-09-22 12:39:30 +02:00
ethernet of: net: pass the dst buffer to of_get_mac_address() 2021-04-13 14:35:02 -07:00
ethtool ethtool: Fix rxnfc copy to user buffer overflow 2021-09-22 12:39:18 +02:00
hsr net: hsr: don't check sequence number if tag removal is offloaded 2021-06-16 12:13:01 -07:00
ieee802154 net: Fix memory leak in ieee802154_raw_deliver 2021-08-10 12:18:10 +02:00
ife
ipv4 ip_gre: validate csum_start only on pull 2021-09-22 12:39:32 +02:00
ipv6 ip6_gre: Revert "ip6_gre: add validation for csum_start" 2021-09-22 12:39:32 +02:00
iucv s390: iucv: Avoid field over-reading memcpy() 2021-07-01 15:54:01 -07:00
kcm net: sock: introduce sk_error_report 2021-06-29 11:28:21 -07:00
key net: Remove unnecessary variables 2021-05-26 07:03:39 +02:00
l2tp net/l2tp: Fix reference count leak in l2tp_udp_recv_core 2021-09-22 12:39:19 +02:00
l3mdev
lapb net: lapb: Use list_for_each_entry() to simplify code in lapb_iface.c 2021-06-08 16:31:25 -07:00
llc net: llc: fix skb_over_panic 2021-07-27 13:05:56 +01:00
mac80211 mac80211: Fix monitor MTU limit so that A-MSDUs get through 2021-09-18 13:43:50 +02:00
mac802154
mpls mpls: Remove redundant assignment to err 2021-04-27 14:17:00 -07:00
mptcp mptcp: Only send extra TCP acks in eligible socket states 2021-09-22 12:39:31 +02:00
ncsi net/ncsi: add dummy response handler for Intel boards 2021-07-08 14:16:39 -07:00
netfilter netfilter: nft_ct: protect nft_ct_pcpu_template_refcnt with mutex 2021-09-22 12:39:28 +02:00
netlabel net: fix NULL pointer reference in cipso_v4_doi_free 2021-09-18 13:44:00 +02:00
netlink netlink: Deal with ESRCH error in nlmsg_notify() 2021-09-18 13:43:38 +02:00
netrom netrom: Decrease sock refcount when sock timers expire 2021-07-18 09:48:59 -07:00
nfc TTY / Serial patches for 5.14-rc1 2021-07-05 14:08:24 -07:00
nsh
openvswitch ovs: clear skb->tstamp in forwarding path 2021-08-18 11:31:13 +01:00
packet Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
phonet
psample
qrtr net: qrtr: revert check in qrtr_endpoint_post() 2021-09-22 12:39:18 +02:00
rds net/rds: dma_map_sg is entitled to merge entries 2021-08-18 15:35:50 -07:00
rfkill Another set of updates, all over the map: 2021-04-20 16:44:04 -07:00
rose
rxrpc Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
sched fq_codel: reject silly quantum parameters 2021-09-22 12:39:31 +02:00
sctp sctp: move the active_key update after sh_keys is added 2021-08-03 11:43:43 +01:00
smc net/smc: Correct smc link connection counter in case of smc client 2021-08-09 10:46:59 +01:00
strparser net: sock: introduce sk_error_report 2021-06-29 11:28:21 -07:00
sunrpc SUNRPC: don't pause on incomplete allocation 2021-09-26 14:10:18 +02:00
switchdev net: switchdev: add a context void pointer to struct switchdev_notifier_info 2021-06-28 14:09:03 -07:00
tipc tipc: increase timeout in tipc_sk_enqueue() 2021-09-22 12:39:19 +02:00
tls Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-29 15:45:27 -07:00
unix net/af_unix: fix a data-race in unix_dgram_poll 2021-09-22 12:39:21 +02:00
vmw_vsock vsock/virtio: avoid potential deadlock when vsock device remove 2021-08-12 10:57:27 -07:00
wireless cfg80211: Fix possible memory leak in function cfg80211_bss_update 2021-07-23 10:38:18 +02:00
x25 net: x25: Use list_for_each_entry() to simplify code in x25_route.c 2021-06-10 14:08:09 -07:00
xdp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-06-29 15:45:27 -07:00
xfrm Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec 2021-08-04 10:45:41 +01:00
compat.c net: Return the correct errno code 2021-06-03 15:13:56 -07:00
devres.c net: devres: Correct a grammatical error 2021-06-11 12:55:28 -07:00
Kconfig bpf, kconfig: Add consolidated menu entry for bpf with core options 2021-05-11 13:56:16 -07:00
Makefile
socket.c ethtool: improve compat ioctl handling 2021-09-18 13:43:41 +02:00
sysctl_net.c net: Ensure net namespace isolation of sysctls 2021-04-12 13:27:11 -07:00