24 	struct subpage_prot_table *spt = mm_ctx_subpage_prot(&mm->context);  in subpage_prot_free()  local
28 	if (!spt)  in subpage_prot_free()
32 		if (spt->low_prot[i]) {  in subpage_prot_free()
33 			free_page((unsigned long)spt->low_prot[i]);  in subpage_prot_free()
34 			spt->low_prot[i] = NULL;  in subpage_prot_free()
39 		p = spt->protptrs[i];  in subpage_prot_free()
42 		spt->protptrs[i] = NULL;  in subpage_prot_free()
43 		for (j = 0; j < SBP_L2_COUNT && addr < spt->maxaddr;  in subpage_prot_free()
49 	spt->maxaddr = 0;  in subpage_prot_free()
50 	kfree(spt);  in subpage_prot_free()
93 	struct subpage_prot_table *spt;  in subpage_prot_clear()  local
101 	spt = mm_ctx_subpage_prot(&mm->context);  in subpage_prot_clear()
102 	if (!spt)  in subpage_prot_clear()
106 	if (limit > spt->maxaddr)  in subpage_prot_clear()
107 		limit = spt->maxaddr;  in subpage_prot_clear()
111 			spm = spt->low_prot;  in subpage_prot_clear()
113 			spm = spt->protptrs[addr >> SBP_L3_SHIFT];  in subpage_prot_clear()
188 	struct subpage_prot_table *spt;  in SYSCALL_DEFINE3()  local
218 	spt = mm_ctx_subpage_prot(&mm->context);  in SYSCALL_DEFINE3()
219 	if (!spt) {  in SYSCALL_DEFINE3()
224 		spt = kzalloc(sizeof(struct subpage_prot_table), GFP_KERNEL);  in SYSCALL_DEFINE3()
225 		if (!spt) {  in SYSCALL_DEFINE3()
229 		mm->context.hash_context->spt = spt;  in SYSCALL_DEFINE3()
237 			spm = spt->low_prot;  in SYSCALL_DEFINE3()
239 			spm = spt->protptrs[addr >> SBP_L3_SHIFT];  in SYSCALL_DEFINE3()
244 				spt->protptrs[addr >> SBP_L3_SHIFT] = spm;  in SYSCALL_DEFINE3()
275 	if (limit > spt->maxaddr)  in SYSCALL_DEFINE3()
276 		spt->maxaddr = limit;  in SYSCALL_DEFINE3()