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Message-ID: <ae09631d-65e1-42a7-a574-468a1c7c3ea6@linux.alibaba.com>
Date: Tue, 4 Jun 2024 17:46:48 +0800
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Subject: Re: [PATCH v3 4/6] mm: shmem: add mTHP support for anonymous shmem
To: Dan Carpenter <dan.carpenter@linaro.org>, oe-kbuild@lists.linux.dev,
 akpm@linux-foundation.org, hughd@google.com
Cc: lkp@intel.com, oe-kbuild-all@lists.linux.dev, willy@infradead.org,
 david@redhat.com, wangkefeng.wang@huawei.com, ying.huang@intel.com,
 21cnbao@gmail.com, ryan.roberts@arm.com, shy828301@gmail.com,
 ziy@nvidia.com, ioworker0@gmail.com, da.gomez@samsung.com,
 p.raghav@samsung.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org
References: <ad47dc93-0cdb-45fb-83b3-170f2c09b93a@moroto.mountain>
From: Baolin Wang <baolin.wang@linux.alibaba.com>
In-Reply-To: <ad47dc93-0cdb-45fb-83b3-170f2c09b93a@moroto.mountain>
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On 2024/6/4 17:23, Dan Carpenter wrote:
> Hi Baolin,
> 
> kernel test robot noticed the following build warnings:
> 
> https://git-scm.com/docs/git-format-patch#_base_tree_information]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Baolin-Wang/mm-memory-extend-finish_fault-to-support-large-folio/20240530-100805
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
> patch link:    https://lore.kernel.org/r/ec35a23026dd016705d211e85163cabe07681516.1717033868.git.baolin.wang%40linux.alibaba.com
> patch subject: [PATCH v3 4/6] mm: shmem: add mTHP support for anonymous shmem
> config: powerpc64-randconfig-r071-20240531 (https://download.01.org/0day-ci/archive/20240602/202406020203.14sT311e-lkp@intel.com/config)
> compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project bafda89a0944d947fc4b3b5663185e07a397ac30)
> 
> 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>
> | Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
> | Closes: https://lore.kernel.org/r/202406020203.14sT311e-lkp@intel.com/
> 
> smatch warnings:
> mm/shmem.c:1766 shmem_alloc_and_add_folio() error: uninitialized symbol 'suitable_orders'.

Thanks Dan. LKP also reported this warning [1]. Will fix it.

[1] https://lore.kernel.org/all/202405301430.0NRLTOWU-lkp@intel.com/