diff options
Diffstat (limited to 'include/net/tcp.h')
| -rw-r--r-- | include/net/tcp.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index 7ace6acbf5fd..0d85223efa4c 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -286,6 +286,14 @@ extern atomic_long_t tcp_memory_allocated; extern struct percpu_counter tcp_sockets_allocated; extern int tcp_memory_pressure; +/* optimized version of sk_under_memory_pressure() for TCP sockets */ +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 tcp_memory_pressure; +} /* * The next routines deal with comparing 32 bit unsigned ints * and worry about wraparound (automatic with unsigned arithmetic). @@ -311,6 +319,8 @@ static inline bool tcp_out_of_memory(struct sock *sk) return false; } +void sk_forced_mem_schedule(struct sock *sk, int size); + static inline bool tcp_too_many_orphans(struct sock *sk, int shift) { struct percpu_counter *ocp = sk->sk_prot->orphan_count; |
