Re: [PATCH 1/3] Protectable memory support

From: kbuild test robot
Date: Mon Jun 26 2017 - 23:18:21 EST


Hi Igor,

[auto build test WARNING on mmotm/master]
[also build test WARNING on v4.12-rc7 next-20170626]
[cannot apply to linus/master linux/master]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Igor-Stoppa/ro-protection-for-dynamic-data/20170627-103230
base: git://git.cmpxchg.org/linux-mmotm.git master
config: i386-tinyconfig (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

All warnings (new ones prefixed by >>):

mm/pmalloc.c: In function '__pmalloc_pool_show_avail':
>> mm/pmalloc.c:81:25: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'size_t {aka unsigned int}' [-Wformat=]
return sprintf(buf, "%lu\n", gen_pool_avail(data->pool));
^
mm/pmalloc.c: In function '__pmalloc_pool_show_size':
mm/pmalloc.c:91:25: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'size_t {aka unsigned int}' [-Wformat=]
return sprintf(buf, "%lu\n", gen_pool_size(data->pool));
^

vim +81 mm/pmalloc.c

65 struct pmalloc_data *data;
66
67 data = container_of(attr, struct pmalloc_data, attr_protected);
68 if (atomic_read(&data->protected))
69 return sprintf(buf, "protected\n");
70 else
71 return sprintf(buf, "unprotected\n");
72 }
73
74 static ssize_t __pmalloc_pool_show_avail(struct device *dev,
75 struct device_attribute *attr,
76 char *buf)
77 {
78 struct pmalloc_data *data;
79
80 data = container_of(attr, struct pmalloc_data, attr_avail);
> 81 return sprintf(buf, "%lu\n", gen_pool_avail(data->pool));
82 }
83
84 static ssize_t __pmalloc_pool_show_size(struct device *dev,
85 struct device_attribute *attr,
86 char *buf)
87 {
88 struct pmalloc_data *data;
89

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