linux-kernel - Re: [PATCH -next v2 7/7] mm/mglru: remove memcg disable handling from lru_gen_shrink

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Message-ID: <202512280931.jlaLW51Y-lkp@intel.com>
Date: Sun, 28 Dec 2025 10:02:18 +0800
From: kernel test robot <lkp@...el.com>
To: Chen Ridong <chenridong@...weicloud.com>, akpm@...ux-foundation.org,
	axelrasmussen@...gle.com, yuanchu@...gle.com, weixugc@...gle.com,
	david@...nel.org, lorenzo.stoakes@...cle.com,
	Liam.Howlett@...cle.com, vbabka@...e.cz, rppt@...nel.org,
	surenb@...gle.com, mhocko@...e.com, corbet@....net,
	hannes@...xchg.org, roman.gushchin@...ux.dev,
	shakeel.butt@...ux.dev, muchun.song@...ux.dev,
	zhengqi.arch@...edance.com, mkoutny@...e.com
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev, linux-mm@...ck.org,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	cgroups@...r.kernel.org, lujialin4@...wei.com,
	chenridong@...weicloud.com
Subject: Re: [PATCH -next v2 7/7] mm/mglru: remove memcg disable handling
 from lru_gen_shrink_node

Hi Chen,

kernel test robot noticed the following build warnings:

[auto build test WARNING on v6.19-rc2]
[also build test WARNING on linus/master next-20251219]
[cannot apply to akpm-mm/mm-everything rppt-memblock/for-next rppt-memblock/fixes]
[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/Chen-Ridong/mm-mglru-use-mem_cgroup_iter-for-global-reclaim/20251224-154725
base:   v6.19-rc2
patch link:    https://lore.kernel.org/r/20251224073032.161911-8-chenridong%40huaweicloud.com
patch subject: [PATCH -next v2 7/7] mm/mglru: remove memcg disable handling from lru_gen_shrink_node
config: x86_64-randconfig-001-20251228 (https://download.01.org/0day-ci/archive/20251228/202512280931.jlaLW51Y-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251228/202512280931.jlaLW51Y-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512280931.jlaLW51Y-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> mm/vmscan.o: warning: objtool: shrink_node_memcgs+0xc16: sibling call from callable instruction with modified stack frame

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki