diff options
| author | Johannes Weiner | 2016-01-15 00:21:17 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2016-01-15 01:00:49 +0100 |
| commit | baac50bbc3cdfd184ebf586b1704edbfcee866df (patch) | |
| tree | b1b168157c38ef0533d2c8765bb3016d6a495cac /include/linux | |
| parent | net: tcp_memcontrol: sanitize tcp memory accounting callbacks (diff) | |
| download | kernel-qcow2-linux-baac50bbc3cdfd184ebf586b1704edbfcee866df.tar.gz kernel-qcow2-linux-baac50bbc3cdfd184ebf586b1704edbfcee866df.tar.xz kernel-qcow2-linux-baac50bbc3cdfd184ebf586b1704edbfcee866df.zip | |
net: tcp_memcontrol: simplify linkage between socket and page counter
There won't be any separate counters for socket memory consumed by
protocols other than TCP in the future. Remove the indirection and link
sockets directly to their owning memory cgroup.
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/linux')
| -rw-r--r-- | include/linux/memcontrol.h | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index e4e77bd1dd39..7c085e4636ba 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -89,16 +89,6 @@ struct cg_proto { struct page_counter memory_allocated; /* Current allocated memory. */ int memory_pressure; bool active; - /* - * memcg field is used to find which memcg we belong directly - * Each memcg struct can hold more than one cg_proto, so container_of - * won't really cut. - * - * The elegant solution would be having an inverse function to - * proto_cgroup in struct proto, but that means polluting the structure - * for everybody, instead of just for memcg users. - */ - struct mem_cgroup *memcg; }; #ifdef CONFIG_MEMCG @@ -688,15 +678,15 @@ static inline void mem_cgroup_wb_stats(struct bdi_writeback *wb, struct sock; void sock_update_memcg(struct sock *sk); void sock_release_memcg(struct sock *sk); -bool mem_cgroup_charge_skmem(struct cg_proto *proto, unsigned int nr_pages); -void mem_cgroup_uncharge_skmem(struct cg_proto *proto, unsigned int nr_pages); +bool mem_cgroup_charge_skmem(struct mem_cgroup *memcg, unsigned int nr_pages); +void mem_cgroup_uncharge_skmem(struct mem_cgroup *memcg, unsigned int nr_pages); #if defined(CONFIG_MEMCG_KMEM) && defined(CONFIG_INET) -static inline bool mem_cgroup_under_socket_pressure(struct cg_proto *proto) +static inline bool mem_cgroup_under_socket_pressure(struct mem_cgroup *memcg) { - return proto->memory_pressure; + return memcg->tcp_mem.memory_pressure; } #else -static inline bool mem_cgroup_under_pressure(struct cg_proto *proto) +static inline bool mem_cgroup_under_socket_pressure(struct mem_cgroup *memcg) { return false; } |