linux/include
Xin Long 9dde27de3e sctp: implement memory accounting on rx path
sk_forward_alloc's updating is also done on rx path, but to be consistent
we change to use sk_mem_charge() in sctp_skb_set_owner_r().

In sctp_eat_data(), it's not enough to check sctp_memory_pressure only,
which doesn't work for mem_cgroup_sockets_enabled, so we change to use
sk_under_memory_pressure().

When it's under memory pressure, sk_mem_reclaim() and sk_rmem_schedule()
should be called on both RENEGE or CHUNK DELIVERY path exit the memory
pressure status as soon as possible.

Note that sk_rmem_schedule() is using datalen to make things easy there.

Reported-by: Matteo Croce <mcroce@redhat.com>
Tested-by: Matteo Croce <mcroce@redhat.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-15 13:36:51 -07:00
..
acpi
asm-generic
clocksource
crypto
drm
dt-bindings
keys
kvm
linux Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2019-04-15 12:07:35 -07:00
math-emu
media
memory
misc
net sctp: implement memory accounting on rx path 2019-04-15 13:36:51 -07:00
pcmcia
ras
rdma
scsi
soc
sound
target
trace
uapi Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2019-04-15 12:07:35 -07:00
video
xen