Re: [PATCH v3 mptcp-net 3/3] Squash-to: "mptcp: leverage the backlog for RX packet processing"

[Matthieu Baerts <matttbe@kernel.org>]

Hello,

On 13/11/2025 12:30, kernel test robot wrote:
> Hi Paolo,
> 
> kernel test robot noticed the following build errors:
> 
> [auto build test ERROR on mptcp/export]
> [cannot apply to mptcp/export-net linus/master v6.18-rc5 next-20251113]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch#_base_tree_information]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Paolo-Abeni/mptcp-fix-grafting-corner-case/20251113-081224
> base:   https://github.com/multipath-tcp/mptcp_net-next.git export
> patch link:    https://lore.kernel.org/r/ee40999f77d0186abba2a6b21958c1a8c4881c57.1762992570.git.pabeni%40redhat.com
> patch subject: [PATCH v3 mptcp-net 3/3] Squash-to: "mptcp: leverage the backlog for RX packet processing"
> config: openrisc-defconfig (https://download.01.org/0day-ci/archive/20251113/202511131931.1yh3eKYe-lkp@intel.com/config)
> compiler: or1k-linux-gcc (GCC) 15.1.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251113/202511131931.1yh3eKYe-lkp@intel.com/reproduce)
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202511131931.1yh3eKYe-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):
> 
>    net/mptcp/protocol.c: In function '__mptcp_add_backlog':
>>> net/mptcp/protocol.c:693:17: error: 'struct sock' has no member named 'sk_memcg'
>      693 |         if (!ssk->sk_memcg)

I guess mem_cgroup_from_sk() should be used if this patch doesn't target
-net.

Cheers,
Matt
-- 
Sponsored by the NGI0 Core fund.