[palmer:for-next 27/30] arch/riscv/mm/cacheflush.c:168:37: error: 'mm_context_t' has no member named 'icache_stale_mask'

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/palmer/linux.git for-next
head:   a76716f0ec75b9e7ac62d30854d690044c857684
commit: 383289e4b071ca4c8c42e34567f3f267766f093c [27/30] riscv: Include riscv_set_icache_flush_ctx prctl
config: riscv-allnoconfig (https://download.01.org/0day-ci/archive/20240418/202404180621.qG7A9Tk0-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240418/202404180621.qG7A9Tk0-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/202404180621.qG7A9Tk0-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

   arch/riscv/mm/cacheflush.c: In function 'set_icache_stale_mask':
>> arch/riscv/mm/cacheflush.c:168:37: error: 'mm_context_t' has no member named 'icache_stale_mask'
     168 |         mask = &current->mm->context.icache_stale_mask;
         |                                     ^
   arch/riscv/mm/cacheflush.c: At top level:
>> arch/riscv/mm/cacheflush.c:157:13: warning: 'set_icache_stale_mask' defined but not used [-Wunused-function]
     157 | static void set_icache_stale_mask(void)
         |             ^~~~~~~~~~~~~~~~~~~~~


vim +168 arch/riscv/mm/cacheflush.c

   156	
 > 157	static void set_icache_stale_mask(void)
   158	{
   159		cpumask_t *mask;
   160		bool stale_cpu;
   161	
   162		/*
   163		 * Mark every other hart's icache as needing a flush for
   164		 * this MM. Maintain the previous value of the current
   165		 * cpu to handle the case when this function is called
   166		 * concurrently on different harts.
   167		 */
 > 168		mask = &current->mm->context.icache_stale_mask;
   169		stale_cpu = cpumask_test_cpu(smp_processor_id(), mask);
   170	
   171		cpumask_setall(mask);
   172		assign_bit(cpumask_check(smp_processor_id()), cpumask_bits(mask), stale_cpu);
   173	}
   174	

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