209 static int kill_proc(struct to_kill *tk, unsigned long pfn, int flags)  in kill_proc()  argument
211 	struct task_struct *t = tk->tsk;  in kill_proc()
212 	short addr_lsb = tk->size_shift;  in kill_proc()
219 		ret = force_sig_mceerr(BUS_MCEERR_AR, (void __user *)tk->addr,  in kill_proc()
228 		ret = send_sig_mceerr(BUS_MCEERR_AO, (void __user *)tk->addr,  in kill_proc()
313 	struct to_kill *tk;  in add_to_kill()  local
316 		tk = *tkc;  in add_to_kill()
319 		tk = kmalloc(sizeof(struct to_kill), GFP_ATOMIC);  in add_to_kill()
320 		if (!tk) {  in add_to_kill()
325 	tk->addr = page_address_in_vma(p, vma);  in add_to_kill()
327 		tk->size_shift = dev_pagemap_mapping_shift(p, vma);  in add_to_kill()
329 		tk->size_shift = compound_order(compound_head(p)) + PAGE_SHIFT;  in add_to_kill()
341 	if (tk->addr == -EFAULT) {  in add_to_kill()
344 	} else if (tk->size_shift == 0) {  in add_to_kill()
345 		kfree(tk);  in add_to_kill()
349 	tk->tsk = tsk;  in add_to_kill()
350 	list_add_tail(&tk->nd, to_kill);  in add_to_kill()
364 	struct to_kill *tk, *next;  in kill_procs()  local
366 	list_for_each_entry_safe (tk, next, to_kill, nd) {  in kill_procs()
373 			if (fail || tk->addr == -EFAULT) {  in kill_procs()
375 				       pfn, tk->tsk->comm, tk->tsk->pid);  in kill_procs()
377 						 tk->tsk, PIDTYPE_PID);  in kill_procs()
386 			else if (kill_proc(tk, pfn, flags) < 0)  in kill_procs()
388 				       pfn, tk->tsk->comm, tk->tsk->pid);  in kill_procs()
390 		put_task_struct(tk->tsk);  in kill_procs()
391 		kfree(tk);  in kill_procs()
515 	struct to_kill *tk;  in collect_procs()  local
520 	tk = kmalloc(sizeof(struct to_kill), GFP_NOIO);  in collect_procs()
521 	if (!tk)  in collect_procs()
524 		collect_procs_anon(page, tokill, &tk, force_early);  in collect_procs()
526 		collect_procs_file(page, tokill, &tk, force_early);  in collect_procs()
527 	kfree(tk);  in collect_procs()
1162 	struct to_kill *tk;  in memory_failure_dev_pagemap()  local
1207 	list_for_each_entry(tk, &tokill, nd)  in memory_failure_dev_pagemap()
1208 		if (tk->size_shift)  in memory_failure_dev_pagemap()
1209 			size = max(size, 1UL << tk->size_shift);  in memory_failure_dev_pagemap()