Hi Igor,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on kees/for-next/pstore]
[also build test ERROR on v4.15 next-20180207]
[cannot apply to linus/master mmotm/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/mm-security-ro-protection-for-dynamic-data/20180207-171252
base:   https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/pstore
config: xtensa-allyesconfig (attached as .config)
compiler: xtensa-linux-gcc (GCC) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=xtensa 

All errors (new ones prefixed by >>):

quoted

lib/genalloc-selftest.c:17:10: fatal error: asm/set_memory.h: No such file or directory

    #include <asm/set_memory.h>
             ^~~~~~~~~~~~~~~~~~
   compilation terminated.

vim +17 lib/genalloc-selftest.c

  > 17	#include <asm/set_memory.h>
    18	#include <linux/string.h>
    19	#include <linux/debugfs.h>
    20	#include <linux/atomic.h>
    21	#include <linux/genalloc.h>
    22	
    23	
    24	

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