linux-kernel - [norov:demotion 5/6] mm/mempolicy.c:3076:38: error: expected expression

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Date:   Sun, 8 Aug 2021 21:54:56 +0800
From:   kernel test robot <lkp@...el.com>
To:     Yury Norov <yury.norov@...il.com>
Cc:     clang-built-linux@...glegroups.com, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [norov:demotion 5/6] mm/mempolicy.c:3076:38: error: expected
 expression

tree:   https://github.com/norov/linux demotion
head:   78c3964952da24c07f2e34dc2d485fd2e6d5ba82
commit: 101e14d51cae3a28013f4e073b7067e405df0521 [5/6] sysfs: add /sys/kernel/mm/numa/demotion_list
config: x86_64-randconfig-a001-20210808 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 41a6b50c25961addc04438b567ee1f4ef9e40f98)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/norov/linux/commit/101e14d51cae3a28013f4e073b7067e405df0521
        git remote add norov https://github.com/norov/linux
        git fetch --no-tags norov demotion
        git checkout 101e14d51cae3a28013f4e073b7067e405df0521
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> mm/mempolicy.c:3076:38: error: expected expression
                   ret = set_demotion_target(from, to);
                                                      ^
   1 error generated.


vim +3076 mm/mempolicy.c

  3052	
  3053	static ssize_t numa_demotion_list_store(struct kobject *kobj,
  3054						   struct kobj_attribute *attr,
  3055						   const char *buf, size_t count)
  3056	{
  3057		nodemask_t nodes;
  3058		char *nodelist;
  3059		int from, to, ret;
  3060	
  3061		nodelist = strnchr(buf, count, '>');
  3062		if (!nodelist)
  3063			return -EINVAL;
  3064	
  3065		*nodelist++ = 0;
  3066	
  3067		ret = kstrtoint(buf, 0, &to);
  3068		if (ret)
  3069			return ret;
  3070	
  3071		ret = nodelist_parse(nodelist, nodes);
  3072		if (ret)
  3073			return ret;
  3074	
  3075		for_each_node_mask(from, nodes) {
> 3076			ret = set_demotion_target(from, to);
  3077			if (ret == -EXDEV)
  3078				pr_warn("Cross-node loop for demotion: %d>%d\n", to, from);
  3079			else if (ret)
  3080				return ret;
  3081		}
  3082	
  3083		return count;
  3084	}
  3085	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (36337 bytes)