[PATCH 4/6] Protectable Memory

[kbuild test robot]

Hi Igor,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v4.15]
[cannot apply to next-20180201]
[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/mm-security-ro-protection-for-dynamic-data/20180202-123437
config: i386-randconfig-x071-201804 (attached as .config)
compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025
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:71:25: 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));
                          ~~^     ~~~~~~~~~~~~~~~~~~~~~~~~~~
                          %u
   mm/pmalloc.c: In function 'pmalloc_pool_show_size':
   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_size(data->pool));
                          ~~^     ~~~~~~~~~~~~~~~~~~~~~~~~~
                          %u

vim +71 mm/pmalloc.c

    63	
    64	static ssize_t pmalloc_pool_show_avail(struct kobject *dev,
    65					       struct kobj_attribute *attr,
    66					       char *buf)
    67	{
    68		struct pmalloc_data *data;
    69	
    70		data = container_of(attr, struct pmalloc_data, attr_avail);
  > 71		return sprintf(buf, "%lu\n", gen_pool_avail(data->pool));
    72	}
    73	

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