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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