Mel Gorman
c93bdd0e03
netvm: allow skb allocation to use PFMEMALLOC reserves ...
Change the skb allocation API to indicate RX usage and use this to fall
back to the PFMEMALLOC reserve when needed. SKBs allocated from the
reserve are tagged in skb->pfmemalloc. If an SKB is allocated from the
reserve and the socket is later found to be unrelated to page reclaim, the
packet is dropped so that the memory remains available for page reclaim.
Network protocols are expected to recover from this packet loss.
[a.p.zijlstra@chello.nl: Ideas taken from various patches]
[davem@davemloft.net: Use static branches, coding style corrections]
[sebastian@breakpoint.cc: Avoid unnecessary cast, fix !CONFIG_NET build]
Signed-off-by: Mel Gorman <mgorman@suse.de>
Acked-by: David S. Miller <davem@davemloft.net>
Cc: Neil Brown <neilb@suse.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Christie <michaelc@cs.wisc.edu>
Cc: Eric B Munson <emunson@mgebm.net>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Christoph Lameter <cl@linux.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-31 18:42:46 -07:00
9p: Reduce object size with CONFIG_NET_9P_DEBUG
2012-01-05 10:51:44 -06:00
Bluetooth: Use tx window from config response for ack timing
2012-07-15 12:18:29 -03:00
caif-hsi: Remove use of module parameters
2012-06-25 16:44:12 -07:00
af_iucv: add shutdown for HS transport
2012-03-07 22:52:24 -08:00
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2012-07-10 23:56:33 -07:00
tcp: use hash_32() in tcp_metrics
2012-07-20 10:59:41 -07:00
NFC: Allow HCI driver to pre-open pipes to some gates
2012-07-09 16:42:12 -04:00
net: remove my future former mail address
2012-06-17 16:29:38 -07:00
sctp: Implement quick failover draft from tsvwg
2012-07-22 12:13:46 -07:00
ipv6: add ipv6_addr_hash() helper
2012-07-18 11:28:46 -07:00
af_unix: speedup /proc/net/unix
2012-06-08 14:27:23 -07:00
ipv4: Fix neigh lookup keying over loopback/point-to-point devices.
2012-07-20 16:06:10 -07:00
net ax25: Fix the build when sysctl support is disabled.
2012-04-23 22:14:47 -04:00
cfg80211: support TX error rate CQM
2012-07-17 11:57:23 +02:00
cipso: handle CIPSO options correctly when NetLabel is disabled
2012-06-01 14:18:29 -04:00
fq_codel: should use qdisc backlog as threshold
2012-05-16 15:30:26 -04:00
net: cleanup unsigned to unsigned int
2012-04-15 12:44:40 -04:00
net/dcb: Add an optional max rate attribute
2012-04-05 05:08:04 -04:00
net: cleanup unsigned to unsigned int
2012-04-15 12:44:40 -04:00
net: cleanup unsigned to unsigned int
2012-04-15 12:44:40 -04:00
decnet: Use neighbours privately in dn_route struct.
2012-07-05 01:12:14 -07:00
ipv4: Kill routes during PMTU/redirect updates.
2012-07-20 13:31:22 -07:00
net: Fix warnings in dst_ops.h
2012-07-19 10:43:03 -07:00
ipv4: Elide fib_validate_source() completely when possible.
2012-06-29 01:36:36 -07:00
ipv4: Kill FLOWI_FLAG_RT_NOCACHE and associated code.
2012-07-20 13:36:54 -07:00
net: Use NLMSG_DEFAULT_SIZE in combination with nlmsg_new()
2012-06-28 17:56:43 -07:00
net: cleanup unsigned to unsigned int
2012-04-15 12:44:40 -04:00
mac802154: declare reduced mlme operations
2012-05-16 15:16:56 -04:00
net: delete all instances of special processing for token ring
2012-05-15 20:14:35 -04:00
ipv6: Add helper inet6_csk_update_pmtu().
2012-07-16 03:44:56 -07:00
ipv6: Early TCP socket demux
2012-07-26 15:50:39 -07:00
net-tcp: Fast Open client - sendmsg(MSG_FASTOPEN)
2012-07-19 11:02:03 -07:00
ipv4: Kill FLOWI_FLAG_RT_NOCACHE and associated code.
2012-07-20 13:36:54 -07:00
ip_frag: struct inet_frags match() method returns a bool
2012-05-18 01:40:27 -04:00
ipv4: Early TCP socket demux.
2012-06-19 21:22:05 -07:00
ipv4: Prepare for change of rt->rt_iif encoding.
2012-07-23 16:36:26 -07:00
inet: remove rcu protection on tw_net
2011-12-14 13:34:55 -05:00
ipv4: Maintain redirect and PMTU info in struct rtable again.
2012-07-10 22:40:14 -07:00
ipv4: tcp: remove per net tcp_sock
2012-07-19 10:35:30 -07:00
ipv6: Store route neighbour in rt6_info struct.
2012-07-05 02:41:58 -07:00
ipv6: fix inet6_csk_xmit()
2012-07-18 08:59:58 -07:00
ipv6_tunnel: Allow receiving packets on the fallback tunnel if they pass sanity checks
2012-06-29 00:52:32 -07:00
ipv4: Cache input routes in fib_info nexthops.
2012-07-20 13:36:40 -07:00
ipvs: fix oops on NAT reply in br_nf context
2012-07-17 12:00:46 +02:00
tunnel: implement 64 bits statistics
2012-04-14 14:47:05 -04:00
ipv6: add ipv6_addr_hash() helper
2012-07-18 11:28:46 -07:00
lapb: Neaten debugging
2012-05-17 18:45:20 -04:00
net: cleanup unsigned to unsigned int
2012-04-15 12:44:40 -04:00
net: delete all instances of special processing for token ring
2012-05-15 20:14:35 -04:00
mac80211: add time synchronisation with BSS for assoc
2012-07-12 12:10:46 +02:00
mac802154: add wpan device-class support
2012-06-26 21:06:11 -07:00
ipv6: Export ndisc option parsing from ndisc.c
2012-07-11 23:39:11 -07:00
net: Do delayed neigh confirmation.
2012-07-05 01:03:06 -07:00
net: make sock diag per-namespace
2012-07-16 22:31:34 -07:00
net: Pass neighbours and dest address into NETEVENT_REDIRECT events.
2012-07-05 02:21:55 -07:00
netlink: Delete all NLA_PUT*() macros.
2012-04-02 04:33:45 -04:00
net: netprio_cgroup: rework update socket logic
2012-07-22 12:44:01 -07:00
net: cleanup unsigned to unsigned int
2012-04-15 12:44:40 -04:00
ipv6: Early TCP socket demux
2012-07-26 15:50:39 -07:00
ipv6: bool/const conversions phase2
2012-05-19 01:08:16 -04:00
net_sched: red: Make minor corrections to comments
2012-04-16 23:53:11 -04:00
cfg80211: add cellular base station regulatory hint support
2012-07-17 12:16:39 +02:00
ipv4: Fix input route performance regression.
2012-07-26 15:50:39 -07:00
rtnl: allow to specify different num for rx and tx queue count
2012-07-20 11:06:59 -07:00
net: rename bond_queue_mapping to slave_dev_queue_mapping
2012-07-20 11:07:00 -07:00
get rid of ->scm_work_list
2012-07-22 23:58:00 +04:00
Merge branch 'for-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
2012-01-09 13:08:28 -08:00
netvm: allow skb allocation to use PFMEMALLOC reserves
2012-07-31 18:42:46 -07:00
tcp: improve latencies of timer triggered events
2012-07-20 10:59:41 -07:00
cgroup: pass struct mem_cgroup instead of struct cgroup to socket memcg
2012-04-10 10:04:07 -07:00
[PATCH] tcp: Cache inetpeer in timewait socket, and only when necessary.
2012-06-09 14:56:12 -07:00
net/ipv6/udp: UDP encapsulation: introduce encap_rcv hook into IPv6
2012-04-28 22:21:51 -04:00
net: ipv4: Standardize prefixes for message logging
2012-03-12 17:05:21 -07:00
net: cleanup unsigned to unsigned int
2012-04-15 12:44:40 -04:00
mac802154: monitor device support
2012-05-16 15:17:08 -04:00
net: cleanup unsigned to unsigned int
2012-04-15 12:44:40 -04:00
net/ipv4: VTI support rx-path hook in xfrm4_mode_tunnel.
2012-07-18 09:36:12 -07:00
c93bdd0e03