Please consider to create a ReadyKernel patch for it.
https://readykernel.com/ -- Best regards, Konstantin Khorenko, Virtuozzo Linux Kernel Team On 05/26/2017 04:59 PM, Konstantin Khorenko wrote:
The commit is pushed to "branch-rh7-3.10.0-514.16.1.vz7.32.x-ovz" and will appear at https://src.openvz.org/scm/ovz/vzkernel.git after rh7-3.10.0-514.16.1.vz7.32.4 ------> commit 4ce6f75421155583e24d9d763de8f48c2d3fec16 Author: Stanislav Kinsburskiy <[email protected]> Date: Fri May 26 17:59:47 2017 +0400 net: fix silly mistake with TCP cgroup memory pressure check Memory pressure is referenced as a pointer in socket structure. Simple check for pointer address will always return true for each socket, allocated with enabled mem_cg. Memory pressure value has to checked instead. https://jira.sw.ru/browse/PSBM-66468 Signed-off-by: Stanislav Kinsburskiy <[email protected]> Acked-by: Andrey Ryabinin <[email protected]> --- include/net/tcp.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/net/tcp.h b/include/net/tcp.h index d64d30b..f2b4843 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -298,7 +298,7 @@ extern int tcp_memory_pressure; static inline bool tcp_under_memory_pressure(const struct sock *sk) { if (mem_cgroup_sockets_enabled && sk->sk_cgrp) - return !!sk->sk_cgrp->memory_pressure; + return *sk->sk_cgrp->memory_pressure; return tcp_memory_pressure; } .
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