[pm:bleeding-edge 181/195] kernel/power/snapshot.c:57:3: error: implicit declaration of function 'set_memory_ro'

[pm:bleeding-edge 181/195] kernel/power/snapshot.c:57:3: error: implicit declaration of function 'set_memory_ro'

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git bleeding-edge
head:   b2b1e68c40b801c00fa028d7b0b5b542e9740918
commit: 0c96ed43a072c9481f655c3d4fe37f1a90f51c6f [181/195] PM / hibernate: Image data protection during restoration
config: sparc64-allmodconfig (attached as .config)
compiler: sparc64-linux-gnu-gcc (Debian 5.3.1-8) 5.3.1 20160205
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 0c96ed43a072c9481f655c3d4fe37f1a90f51c6f
        # save the attached .config to linux build tree
        make.cross ARCH=sparc64 

All errors (new ones prefixed by >>):

   kernel/power/snapshot.c: In function 'hibernate_restore_protect_page':
>> kernel/power/snapshot.c:57:3: error: implicit declaration of function 'set_memory_ro' [-Werror=implicit-function-declaration]
      set_memory_ro((unsigned long)page_address, 1);
      ^
   kernel/power/snapshot.c: In function 'hibernate_restore_unprotect_page':
>> kernel/power/snapshot.c:63:3: error: implicit declaration of function 'set_memory_rw' [-Werror=implicit-function-declaration]
      set_memory_rw((unsigned long)page_address, 1);
      ^
   cc1: some warnings being treated as errors

vim +/set_memory_ro +57 kernel/power/snapshot.c

    51		hibernate_restore_protection_active = false;
    52	}
    53	
    54	static inline void hibernate_restore_protect_page(void *page_address)
    55	{
    56		if (hibernate_restore_protection_active)
  > 57			set_memory_ro((unsigned long)page_address, 1);
    58	}
    59	
    60	static inline void hibernate_restore_unprotect_page(void *page_address)
    61	{
    62		if (hibernate_restore_protection_active)
  > 63			set_memory_rw((unsigned long)page_address, 1);
    64	}
    65	
    66	static int swsusp_page_is_free(struct page *);

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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