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 /net | |
| 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 'net')
| -rw-r--r-- | net/ipv4/tcp_memcontrol.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/net/ipv4/tcp_memcontrol.c b/net/ipv4/tcp_memcontrol.c index 6759e0d6bba1..ef4268d12e43 100644 --- a/net/ipv4/tcp_memcontrol.c +++ b/net/ipv4/tcp_memcontrol.c @@ -21,9 +21,6 @@ int tcp_init_cgroup(struct mem_cgroup *memcg, struct cgroup_subsys *ss) if (!cg_proto) return 0; - cg_proto->sysctl_mem[0] = sysctl_tcp_mem[0]; - cg_proto->sysctl_mem[1] = sysctl_tcp_mem[1]; - cg_proto->sysctl_mem[2] = sysctl_tcp_mem[2]; cg_proto->memory_pressure = 0; cg_proto->memcg = memcg; @@ -54,7 +51,6 @@ EXPORT_SYMBOL(tcp_destroy_cgroup); static int tcp_update_limit(struct mem_cgroup *memcg, unsigned long nr_pages) { struct cg_proto *cg_proto; - int i; int ret; cg_proto = tcp_prot.proto_cgroup(memcg); @@ -65,10 +61,6 @@ static int tcp_update_limit(struct mem_cgroup *memcg, unsigned long nr_pages) if (ret) return ret; - for (i = 0; i < 3; i++) - cg_proto->sysctl_mem[i] = min_t(long, nr_pages, - sysctl_tcp_mem[i]); - if (!cg_proto->active) { /* * The active flag needs to be written after the static_key |