From: Andrew Morton <akpm@linux-foundation.org>
To: kbuild test robot <lkp@intel.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>,
kbuild-all@01.org, Tejun Heo <tj@kernel.org>,
"David S. Miller" <davem@davemloft.net>,
Michal Hocko <mhocko@suse.cz>,
Vladimir Davydov <vdavydov@virtuozzo.com>,
linux-mm@kvack.org, cgroups@vger.kernel.org,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
kernel-team@fb.com
Subject: Re: [PATCH 3/3] mm: memcontrol: consolidate cgroup socket tracking
Date: Wed, 14 Sep 2016 15:17:14 -0700 [thread overview]
Message-ID: <20160914151714.f6d1b2a57da0619bf9e2372c@linux-foundation.org> (raw)
In-Reply-To: <201609151357.bgs2EcXM%fengguang.wu@intel.com>
On Thu, 15 Sep 2016 13:34:24 +0800 kbuild test robot <lkp@intel.com> wrote:
> Hi Johannes,
>
> [auto build test ERROR on net/master]
> [also build test ERROR on v4.8-rc6 next-20160914]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
> [Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on]
> [Check https://git-scm.com/docs/git-format-patch for more information]
>
> url: https://github.com/0day-ci/linux/commits/Johannes-Weiner/mm-memcontrol-make-per-cpu-charge-cache-IRQ-safe-for-socket-accounting/20160915-035634
> config: m68k-sun3_defconfig (attached as .config)
> compiler: m68k-linux-gcc (GCC) 4.9.0
> reproduce:
> wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> # save the attached .config to linux build tree
> make.cross ARCH=m68k
>
> All errors (new ones prefixed by >>):
>
> net/built-in.o: In function `sk_alloc':
> >> (.text+0x4076): undefined reference to `mem_cgroup_sk_alloc'
> net/built-in.o: In function `__sk_destruct':
> >> sock.c:(.text+0x457e): undefined reference to `mem_cgroup_sk_free'
> net/built-in.o: In function `sk_clone_lock':
> (.text+0x4f1c): undefined reference to `mem_cgroup_sk_alloc'
This?
--- a/mm/memcontrol.c~mm-memcontrol-consolidate-cgroup-socket-tracking-fix
+++ a/mm/memcontrol.c
@@ -5655,9 +5655,6 @@ void mem_cgroup_sk_alloc(struct sock *sk
{
struct mem_cgroup *memcg;
- if (!mem_cgroup_sockets_enabled)
- return;
-
/*
* Socket cloning can throw us here with sk_memcg already
* filled. It won't however, necessarily happen from
--- a/net/core/sock.c~mm-memcontrol-consolidate-cgroup-socket-tracking-fix
+++ a/net/core/sock.c
@@ -1385,7 +1385,8 @@ static void sk_prot_free(struct proto *p
slab = prot->slab;
cgroup_sk_free(&sk->sk_cgrp_data);
- mem_cgroup_sk_free(sk);
+ if (mem_cgroup_sockets_enabled)
+ mem_cgroup_sk_free(sk);
security_sk_free(sk);
if (slab != NULL)
kmem_cache_free(slab, sk);
@@ -1422,7 +1423,8 @@ struct sock *sk_alloc(struct net *net, i
sock_net_set(sk, net);
atomic_set(&sk->sk_wmem_alloc, 1);
- mem_cgroup_sk_alloc(sk);
+ if (mem_cgroup_sockets_enabled)
+ mem_cgroup_sk_alloc(sk);
cgroup_sk_alloc(&sk->sk_cgrp_data);
sock_update_classid(&sk->sk_cgrp_data);
sock_update_netprioidx(&sk->sk_cgrp_data);
@@ -1569,7 +1571,8 @@ struct sock *sk_clone_lock(const struct
newsk->sk_incoming_cpu = raw_smp_processor_id();
atomic64_set(&newsk->sk_cookie, 0);
- mem_cgroup_sk_alloc(newsk);
+ if (mem_cgroup_sockets_enabled)
+ mem_cgroup_sk_alloc(newsk);
cgroup_sk_alloc(&newsk->sk_cgrp_data);
/*
_
--
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next prev parent reply other threads:[~2016-09-14 22:17 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-14 19:48 [PATCH 1/3] mm: memcontrol: make per-cpu charge cache IRQ-safe for socket accounting Johannes Weiner
2016-09-14 19:48 ` [PATCH 2/3] cgroup: duplicate cgroup reference when cloning sockets Johannes Weiner
2016-09-19 12:03 ` Michal Hocko
2016-09-19 15:43 ` Vladimir Davydov
2016-09-14 19:48 ` [PATCH 3/3] mm: memcontrol: consolidate cgroup socket tracking Johannes Weiner
2016-09-14 20:45 ` Tejun Heo
2016-09-14 21:12 ` kbuild test robot
2016-09-14 21:12 ` kbuild test robot
2016-09-15 5:34 ` kbuild test robot
2016-09-14 22:17 ` Andrew Morton [this message]
2016-09-15 14:27 ` Johannes Weiner
2016-09-19 12:04 ` Michal Hocko
2016-09-19 12:01 ` [PATCH 1/3] mm: memcontrol: make per-cpu charge cache IRQ-safe for socket accounting Michal Hocko
2016-09-19 15:35 ` Vladimir Davydov
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