subject:"Re\: \[PATCH 10\/14\] mm\: memcontrol\: generalize the socket accounting jump label"

Re: [PATCH 10/14] mm: memcontrol: generalize the socket accounting jump label

2015-11-14 Thread Vladimir Davydov

On Thu, Nov 12, 2015 at 06:41:29PM -0500, Johannes Weiner wrote:
> The unified hierarchy memory controller is going to use this jump
> label as well to control the networking callbacks. Move it to the
> memory controller code and give it a more generic name.
> 
> Signed-off-by: Johannes Weiner 

Reviewed-by: Vladimir Davydov 
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Re: [PATCH 10/14] mm: memcontrol: generalize the socket accounting jump label

2015-11-14 Thread Vladimir Davydov

On Thu, Nov 12, 2015 at 06:41:29PM -0500, Johannes Weiner wrote:
> The unified hierarchy memory controller is going to use this jump
> label as well to control the networking callbacks. Move it to the
> memory controller code and give it a more generic name.
> 
> Signed-off-by: Johannes Weiner 

Reviewed-by: Vladimir Davydov 
--
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the body of a message to majord...@vger.kernel.org
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Re: [PATCH 10/14] mm: memcontrol: generalize the socket accounting jump label

2015-11-13 Thread Michal Hocko

On Thu 12-11-15 18:41:29, Johannes Weiner wrote:
> The unified hierarchy memory controller is going to use this jump
> label as well to control the networking callbacks. Move it to the
> memory controller code and give it a more generic name.
> 
> Signed-off-by: Johannes Weiner 

Yes it makes more sense in memcg proper
Acked-by: Michal Hocko 

> ---
>  include/linux/memcontrol.h | 4 
>  include/net/sock.h | 7 ---
>  mm/memcontrol.c| 3 +++
>  net/core/sock.c| 5 -
>  net/ipv4/tcp_memcontrol.c  | 4 ++--
>  5 files changed, 9 insertions(+), 14 deletions(-)
> 
> diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
> index 1c71f27..4cf5afa 100644
> --- a/include/linux/memcontrol.h
> +++ b/include/linux/memcontrol.h
> @@ -693,6 +693,8 @@ static inline void mem_cgroup_wb_stats(struct 
> bdi_writeback *wb,
>  
>  #if defined(CONFIG_INET) && defined(CONFIG_MEMCG_KMEM)
>  struct sock;
> +extern struct static_key memcg_sockets_enabled_key;
> +#define mem_cgroup_sockets_enabled 
> static_key_false(_sockets_enabled_key)
>  void sock_update_memcg(struct sock *sk);
>  void sock_release_memcg(struct sock *sk);
>  bool mem_cgroup_charge_skmem(struct mem_cgroup *memcg, unsigned int 
> nr_pages);
> @@ -701,6 +703,8 @@ static inline bool 
> mem_cgroup_under_socket_pressure(struct mem_cgroup *memcg)
>  {
>   return memcg->tcp_mem.memory_pressure;
>  }
> +#else
> +#define mem_cgroup_sockets_enabled 0
>  #endif /* CONFIG_INET && CONFIG_MEMCG_KMEM */
>  
>  #ifdef CONFIG_MEMCG_KMEM
> diff --git a/include/net/sock.h b/include/net/sock.h
> index b439dcc..bf1b901 100644
> --- a/include/net/sock.h
> +++ b/include/net/sock.h
> @@ -1065,13 +1065,6 @@ static inline void sk_refcnt_debug_release(const 
> struct sock *sk)
>  #define sk_refcnt_debug_release(sk) do { } while (0)
>  #endif /* SOCK_REFCNT_DEBUG */
>  
> -#if defined(CONFIG_MEMCG_KMEM) && defined(CONFIG_NET)
> -extern struct static_key memcg_socket_limit_enabled;
> -#define mem_cgroup_sockets_enabled 
> static_key_false(_socket_limit_enabled)
> -#else
> -#define mem_cgroup_sockets_enabled 0
> -#endif
> -
>  static inline bool sk_stream_memory_free(const struct sock *sk)
>  {
>   if (sk->sk_wmem_queued >= sk->sk_sndbuf)
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index 89b1d9e..658bef2 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -291,6 +291,9 @@ static inline struct mem_cgroup 
> *mem_cgroup_from_id(unsigned short id)
>  /* Writing them here to avoid exposing memcg's inner layout */
>  #if defined(CONFIG_INET) && defined(CONFIG_MEMCG_KMEM)
>  
> +struct static_key memcg_sockets_enabled_key;
> +EXPORT_SYMBOL(memcg_sockets_enabled_key);
> +
>  void sock_update_memcg(struct sock *sk)
>  {
>   struct mem_cgroup *memcg;
> diff --git a/net/core/sock.c b/net/core/sock.c
> index 6486b0d..c5435b5 100644
> --- a/net/core/sock.c
> +++ b/net/core/sock.c
> @@ -201,11 +201,6 @@ EXPORT_SYMBOL(sk_net_capable);
>  static struct lock_class_key af_family_keys[AF_MAX];
>  static struct lock_class_key af_family_slock_keys[AF_MAX];
>  
> -#if defined(CONFIG_MEMCG_KMEM)
> -struct static_key memcg_socket_limit_enabled;
> -EXPORT_SYMBOL(memcg_socket_limit_enabled);
> -#endif
> -
>  /*
>   * Make lock validator output more readable. (we pre-construct these
>   * strings build-time, so that runtime initialization of socket
> diff --git a/net/ipv4/tcp_memcontrol.c b/net/ipv4/tcp_memcontrol.c
> index 47addc3..17df9dd 100644
> --- a/net/ipv4/tcp_memcontrol.c
> +++ b/net/ipv4/tcp_memcontrol.c
> @@ -34,7 +34,7 @@ void tcp_destroy_cgroup(struct mem_cgroup *memcg)
>   return;
>  
>   if (test_bit(MEMCG_SOCK_ACTIVATED, >tcp_mem.flags))
> - static_key_slow_dec(_socket_limit_enabled);
> + static_key_slow_dec(_sockets_enabled_key);
>  }
>  
>  static int tcp_update_limit(struct mem_cgroup *memcg, unsigned long nr_pages)
> @@ -73,7 +73,7 @@ static int tcp_update_limit(struct mem_cgroup *memcg, 
> unsigned long nr_pages)
>*/
>   if (!test_and_set_bit(MEMCG_SOCK_ACTIVATED,
> >tcp_mem.flags))
> - static_key_slow_inc(_socket_limit_enabled);
> + static_key_slow_inc(_sockets_enabled_key);
>   set_bit(MEMCG_SOCK_ACTIVE, >tcp_mem.flags);
>   }
>  
> -- 
> 2.6.2

-- 
Michal Hocko
SUSE Labs
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Re: [PATCH 10/14] mm: memcontrol: generalize the socket accounting jump label

2015-11-13 Thread Michal Hocko

On Thu 12-11-15 18:41:29, Johannes Weiner wrote:
> The unified hierarchy memory controller is going to use this jump
> label as well to control the networking callbacks. Move it to the
> memory controller code and give it a more generic name.
> 
> Signed-off-by: Johannes Weiner 

Yes it makes more sense in memcg proper
Acked-by: Michal Hocko 

> ---
>  include/linux/memcontrol.h | 4 
>  include/net/sock.h | 7 ---
>  mm/memcontrol.c| 3 +++
>  net/core/sock.c| 5 -
>  net/ipv4/tcp_memcontrol.c  | 4 ++--
>  5 files changed, 9 insertions(+), 14 deletions(-)
> 
> diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
> index 1c71f27..4cf5afa 100644
> --- a/include/linux/memcontrol.h
> +++ b/include/linux/memcontrol.h
> @@ -693,6 +693,8 @@ static inline void mem_cgroup_wb_stats(struct 
> bdi_writeback *wb,
>  
>  #if defined(CONFIG_INET) && defined(CONFIG_MEMCG_KMEM)
>  struct sock;
> +extern struct static_key memcg_sockets_enabled_key;
> +#define mem_cgroup_sockets_enabled 
> static_key_false(_sockets_enabled_key)
>  void sock_update_memcg(struct sock *sk);
>  void sock_release_memcg(struct sock *sk);
>  bool mem_cgroup_charge_skmem(struct mem_cgroup *memcg, unsigned int 
> nr_pages);
> @@ -701,6 +703,8 @@ static inline bool 
> mem_cgroup_under_socket_pressure(struct mem_cgroup *memcg)
>  {
>   return memcg->tcp_mem.memory_pressure;
>  }
> +#else
> +#define mem_cgroup_sockets_enabled 0
>  #endif /* CONFIG_INET && CONFIG_MEMCG_KMEM */
>  
>  #ifdef CONFIG_MEMCG_KMEM
> diff --git a/include/net/sock.h b/include/net/sock.h
> index b439dcc..bf1b901 100644
> --- a/include/net/sock.h
> +++ b/include/net/sock.h
> @@ -1065,13 +1065,6 @@ static inline void sk_refcnt_debug_release(const 
> struct sock *sk)
>  #define sk_refcnt_debug_release(sk) do { } while (0)
>  #endif /* SOCK_REFCNT_DEBUG */
>  
> -#if defined(CONFIG_MEMCG_KMEM) && defined(CONFIG_NET)
> -extern struct static_key memcg_socket_limit_enabled;
> -#define mem_cgroup_sockets_enabled 
> static_key_false(_socket_limit_enabled)
> -#else
> -#define mem_cgroup_sockets_enabled 0
> -#endif
> -
>  static inline bool sk_stream_memory_free(const struct sock *sk)
>  {
>   if (sk->sk_wmem_queued >= sk->sk_sndbuf)
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index 89b1d9e..658bef2 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -291,6 +291,9 @@ static inline struct mem_cgroup 
> *mem_cgroup_from_id(unsigned short id)
>  /* Writing them here to avoid exposing memcg's inner layout */
>  #if defined(CONFIG_INET) && defined(CONFIG_MEMCG_KMEM)
>  
> +struct static_key memcg_sockets_enabled_key;
> +EXPORT_SYMBOL(memcg_sockets_enabled_key);
> +
>  void sock_update_memcg(struct sock *sk)
>  {
>   struct mem_cgroup *memcg;
> diff --git a/net/core/sock.c b/net/core/sock.c
> index 6486b0d..c5435b5 100644
> --- a/net/core/sock.c
> +++ b/net/core/sock.c
> @@ -201,11 +201,6 @@ EXPORT_SYMBOL(sk_net_capable);
>  static struct lock_class_key af_family_keys[AF_MAX];
>  static struct lock_class_key af_family_slock_keys[AF_MAX];
>  
> -#if defined(CONFIG_MEMCG_KMEM)
> -struct static_key memcg_socket_limit_enabled;
> -EXPORT_SYMBOL(memcg_socket_limit_enabled);
> -#endif
> -
>  /*
>   * Make lock validator output more readable. (we pre-construct these
>   * strings build-time, so that runtime initialization of socket
> diff --git a/net/ipv4/tcp_memcontrol.c b/net/ipv4/tcp_memcontrol.c
> index 47addc3..17df9dd 100644
> --- a/net/ipv4/tcp_memcontrol.c
> +++ b/net/ipv4/tcp_memcontrol.c
> @@ -34,7 +34,7 @@ void tcp_destroy_cgroup(struct mem_cgroup *memcg)
>   return;
>  
>   if (test_bit(MEMCG_SOCK_ACTIVATED, >tcp_mem.flags))
> - static_key_slow_dec(_socket_limit_enabled);
> + static_key_slow_dec(_sockets_enabled_key);
>  }
>  
>  static int tcp_update_limit(struct mem_cgroup *memcg, unsigned long nr_pages)
> @@ -73,7 +73,7 @@ static int tcp_update_limit(struct mem_cgroup *memcg, 
> unsigned long nr_pages)
>*/
>   if (!test_and_set_bit(MEMCG_SOCK_ACTIVATED,
> >tcp_mem.flags))
> - static_key_slow_inc(_socket_limit_enabled);
> + static_key_slow_inc(_sockets_enabled_key);
>   set_bit(MEMCG_SOCK_ACTIVE, >tcp_mem.flags);
>   }
>  
> -- 
> 2.6.2

-- 
Michal Hocko
SUSE Labs
--
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the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
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Re: [PATCH 10/14] mm: memcontrol: generalize the socket accounting jump label

Re: [PATCH 10/14] mm: memcontrol: generalize the socket accounting jump label

Re: [PATCH 10/14] mm: memcontrol: generalize the socket accounting jump label

Re: [PATCH 10/14] mm: memcontrol: generalize the socket accounting jump label

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