[rppt:execmem/x86-rox/v4 7/8] mm/execmem.c:53:23: error: implicit declaration of function 'set_direct_map_valid_noflush'; did you mean 'set_direct_map_invalid_noflush'?

[rppt:execmem/x86-rox/v4 7/8] mm/execmem.c:53:23: error: implicit declaration of function 'set_direct_map_valid_noflush'; did you mean 'set_direct_map_invalid_noflush'?

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git execmem/x86-rox/v4
head:   c90f89d40fd21ce040b5cf1485ec6913d1b4ea5d
commit: 21ce3be90ca4d26a895b08de0d68fab4143f97d7 [7/8] execmem: add support for cache of large ROX pages
config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20241001/202410011619.OrLO2aeW-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241001/202410011619.OrLO2aeW-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410011619.OrLO2aeW-lkp@intel.com/

All errors (new ones prefixed by >>):

   mm/execmem.c: In function 'execmem_set_direct_map_valid':
   mm/execmem.c:48:36: error: 'struct vm_struct' has no member named 'page_order'
      48 |         unsigned int nr = (1U << vm->page_order);
         |                                    ^~
>> mm/execmem.c:53:23: error: implicit declaration of function 'set_direct_map_valid_noflush'; did you mean 'set_direct_map_invalid_noflush'? [-Wimplicit-function-declaration]
      53 |                 err = set_direct_map_valid_noflush(vm->pages[i], nr, valid);
         |                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
         |                       set_direct_map_invalid_noflush
   mm/execmem.c: In function 'execmem_cache_add':
   mm/execmem.c:145:30: warning: variable 'upper_size' set but not used [-Wunused-but-set-variable]
     145 |         unsigned long upper, upper_size = 0;
         |                              ^~~~~~~~~~
   mm/execmem.c:144:30: warning: variable 'lower_size' set but not used [-Wunused-but-set-variable]
     144 |         unsigned long lower, lower_size = 0;
         |                              ^~~~~~~~~~


vim +53 mm/execmem.c

    44	
    45	static int execmem_set_direct_map_valid(struct vm_struct *vm, bool valid)
    46	{
    47		/* FIXME: build for !CONFIG_HAVE_ARCH_HUGE_VMALLOC */
  > 48		unsigned int nr = (1U << vm->page_order);
    49		unsigned int updated = 0;
    50		int err = 0;
    51	
    52		for (int i = 0; i < vm->nr_pages; i += nr) {
  > 53			err = set_direct_map_valid_noflush(vm->pages[i], nr, valid);
    54			if (err)
    55				goto err_restore;
    56			updated += nr;
    57		}
    58	
    59		return 0;
    60	
    61	err_restore:
    62		for (int i = 0; i < updated; i += nr)
    63			set_direct_map_valid_noflush(vm->pages[i], nr, !valid);
    64	
    65		return err;
    66	}
    67	

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