diff options
Diffstat (limited to 'include/net/sock.h')
| -rw-r--r-- | include/net/sock.h | 26 |
1 files changed, 9 insertions, 17 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index e6f235ebf6c9..7ff44e062a38 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -54,8 +54,8 @@ #include <linux/security.h> #include <linux/slab.h> #include <linux/uaccess.h> +#include <linux/page_counter.h> #include <linux/memcontrol.h> -#include <linux/res_counter.h> #include <linux/static_key.h> #include <linux/aio.h> #include <linux/sched.h> @@ -1062,7 +1062,7 @@ enum cg_proto_flags { }; struct cg_proto { - struct res_counter memory_allocated; /* Current allocated memory. */ + struct page_counter memory_allocated; /* Current allocated memory. */ struct percpu_counter sockets_allocated; /* Current number of sockets. */ int memory_pressure; long sysctl_mem[3]; @@ -1214,34 +1214,26 @@ static inline void memcg_memory_allocated_add(struct cg_proto *prot, unsigned long amt, int *parent_status) { - struct res_counter *fail; - int ret; + page_counter_charge(&prot->memory_allocated, amt); - ret = res_counter_charge_nofail(&prot->memory_allocated, - amt << PAGE_SHIFT, &fail); - if (ret < 0) + if (page_counter_read(&prot->memory_allocated) > + prot->memory_allocated.limit) *parent_status = OVER_LIMIT; } static inline void memcg_memory_allocated_sub(struct cg_proto *prot, unsigned long amt) { - res_counter_uncharge(&prot->memory_allocated, amt << PAGE_SHIFT); -} - -static inline u64 memcg_memory_allocated_read(struct cg_proto *prot) -{ - u64 ret; - ret = res_counter_read_u64(&prot->memory_allocated, RES_USAGE); - return ret >> PAGE_SHIFT; + page_counter_uncharge(&prot->memory_allocated, amt); } static inline long sk_memory_allocated(const struct sock *sk) { struct proto *prot = sk->sk_prot; + if (mem_cgroup_sockets_enabled && sk->sk_cgrp) - return memcg_memory_allocated_read(sk->sk_cgrp); + return page_counter_read(&sk->sk_cgrp->memory_allocated); return atomic_long_read(prot->memory_allocated); } @@ -1255,7 +1247,7 @@ sk_memory_allocated_add(struct sock *sk, int amt, int *parent_status) memcg_memory_allocated_add(sk->sk_cgrp, amt, parent_status); /* update the root cgroup regardless */ atomic_long_add_return(amt, prot->memory_allocated); - return memcg_memory_allocated_read(sk->sk_cgrp); + return page_counter_read(&sk->sk_cgrp->memory_allocated); } return atomic_long_add_return(amt, prot->memory_allocated); |