57 	uml_ldt_t *ldt = &current->mm->context.arch.ldt;  in read_ldt()
122 	uml_ldt_t *ldt = &current->mm->context.arch.ldt;  in write_ldt()
306 	mutex_init(&new_mm->arch.ldt.lock);  in init_new_ldt()
323 		new_mm->arch.ldt.entry_count = 0;  in init_new_ldt()
334 	mutex_lock(&from_mm->arch.ldt.lock);  in init_new_ldt()
335 	if (from_mm->arch.ldt.entry_count <= LDT_DIRECT_ENTRIES)  in init_new_ldt()
336 		memcpy(new_mm->arch.ldt.u.entries, from_mm->arch.ldt.u.entries,  in init_new_ldt()
337 		       sizeof(new_mm->arch.ldt.u.entries));  in init_new_ldt()
339 		i = from_mm->arch.ldt.entry_count / LDT_ENTRIES_PER_PAGE;  in init_new_ldt()
346 			new_mm->arch.ldt.u.pages[i] =  in init_new_ldt()
348 			memcpy(new_mm->arch.ldt.u.pages[i],  in init_new_ldt()
349 			       from_mm->arch.ldt.u.pages[i], PAGE_SIZE);  in init_new_ldt()
352 	new_mm->arch.ldt.entry_count = from_mm->arch.ldt.entry_count;  in init_new_ldt()
353 	mutex_unlock(&from_mm->arch.ldt.lock);  in init_new_ldt()
364 	if (mm->arch.ldt.entry_count > LDT_DIRECT_ENTRIES) {  in free_ldt()
365 		i = mm->arch.ldt.entry_count / LDT_ENTRIES_PER_PAGE;  in free_ldt()
367 			free_page((long) mm->arch.ldt.u.pages[i]);  in free_ldt()
369 	mm->arch.ldt.entry_count = 0;  in free_ldt()