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Date: Tue, 8 Dec 2015 10:30:10 -0500
From: Johannes Weiner <hannes@...xchg.org>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-mm@...ck.org, netdev@...r.kernel.org,
cgroups@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 00/14] mm: memcontrol: account socket memory in unified hierarchy v4-RESEND
Hi Andrew,
there was some build breakage in CONFIG_ combinations I hadn't tested
in the last revision, so here is a fixed-up resend with minimal CC
list. The only difference to the previous version is a section in
memcontrol.h, but it accumulates throughout the series and would have
been a pain to resolve on your end. So here goes. This also includes
the review tags that Dave and Vlad had sent out in the meantime.
Difference to the original v4:
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 9a19590..189f04d 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -702,14 +702,14 @@ static inline void mem_cgroup_wb_stats(struct bdi_writeback *wb,
#endif /* CONFIG_CGROUP_WRITEBACK */
-#ifdef CONFIG_INET
struct sock;
-extern struct static_key_false memcg_sockets_enabled_key;
-#define mem_cgroup_sockets_enabled static_branch_unlikely(&memcg_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);
void mem_cgroup_uncharge_skmem(struct mem_cgroup *memcg, unsigned int nr_pages);
+#if defined(CONFIG_MEMCG) && defined(CONFIG_INET)
+extern struct static_key_false memcg_sockets_enabled_key;
+#define mem_cgroup_sockets_enabled static_branch_unlikely(&memcg_sockets_enabled_key)
static inline bool mem_cgroup_under_socket_pressure(struct mem_cgroup *memcg)
{
#ifdef CONFIG_MEMCG_KMEM
@@ -724,7 +724,11 @@ static inline bool mem_cgroup_under_socket_pressure(struct mem_cgroup *memcg)
}
#else
#define mem_cgroup_sockets_enabled 0
-#endif /* CONFIG_INET */
+static inline bool mem_cgroup_under_socket_pressure(struct mem_cgroup *memcg)
+{
+ return false;
+}
+#endif
#ifdef CONFIG_MEMCG_KMEM
extern struct static_key_false memcg_kmem_enabled_key;
diff --git a/include/linux/vmpressure.h b/include/linux/vmpressure.h
index a77b142..3347cc3 100644
--- a/include/linux/vmpressure.h
+++ b/include/linux/vmpressure.h
@@ -43,7 +43,7 @@ extern int vmpressure_register_event(struct mem_cgroup *memcg,
extern void vmpressure_unregister_event(struct mem_cgroup *memcg,
struct eventfd_ctx *eventfd);
#else
-static inline void vmpressure(gfp_t gfp, struct mem_cgroup *memcg,
+static inline void vmpressure(gfp_t gfp, struct mem_cgroup *memcg, bool tree,
unsigned long scanned, unsigned long reclaimed) {}
static inline void vmpressure_prio(gfp_t gfp, struct mem_cgroup *memcg,
int prio) {}
Documentation/kernel-parameters.txt | 4 +
include/linux/memcontrol.h | 75 ++++++---
include/linux/vmpressure.h | 7 +-
include/net/sock.h | 149 ++---------------
include/net/tcp.h | 5 +-
include/net/tcp_memcontrol.h | 1 -
mm/backing-dev.c | 2 +-
mm/memcontrol.c | 302 ++++++++++++++++++++++------------
mm/vmpressure.c | 78 ++++++---
mm/vmscan.c | 10 +-
net/core/sock.c | 78 ++-------
net/ipv4/tcp.c | 3 +-
net/ipv4/tcp_ipv4.c | 9 +-
net/ipv4/tcp_memcontrol.c | 82 ++++-----
net/ipv4/tcp_output.c | 7 +-
net/ipv6/tcp_ipv6.c | 3 -
16 files changed, 391 insertions(+), 424 deletions(-)
--
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