diff options
| author |   Johannes Weiner <hannes@cmpxchg.org> | 2016-01-14 15:21:11 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-14 16:00:49 -0800 |
| commit | 80f23124f57c77915a7b4201d8dcba38a38b23f0 (patch) | |
| tree | d370c585d71dc17fc9b48034cdcda5b6e1b36b22 /include/net/sock.h | |
| parent | net: tcp_memcontrol: remove dead per-memcg count of allocated sockets (diff) | |
| download | linux-dev-80f23124f57c77915a7b4201d8dcba38a38b23f0.tar.xz linux-dev-80f23124f57c77915a7b4201d8dcba38a38b23f0.zip | |
net: tcp_memcontrol: simplify the per-memcg limit access
tcp_memcontrol replicates the global sysctl_mem limit array per cgroup,
but it only ever sets these entries to the value of the memory_allocated
page_counter limit. Use the latter directly.
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Vladimir Davydov <vdavydov@virtuozzo.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/net/sock.h')
| -rw-r--r-- | include/net/sock.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index 1f15937ec208..8b1f8e5d3a48 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1162,10 +1162,12 @@ static inline void sk_enter_memory_pressure(struct sock *sk) static inline long sk_prot_mem_limits(const struct sock *sk, int index) { - long *prot = sk->sk_prot->sysctl_mem; + long limit = sk->sk_prot->sysctl_mem[index]; + if (mem_cgroup_sockets_enabled && sk->sk_cgrp) - prot = sk->sk_cgrp->sysctl_mem; - return prot[index]; + limit = min_t(long, limit, sk->sk_cgrp->memory_allocated.limit); + + return limit; } static inline void memcg_memory_allocated_add(struct cg_proto *prot, |