pfn_modify_allowed 1463 arch/x86/include/asm/pgtable.h extern bool pfn_modify_allowed(unsigned long pfn, pgprot_t prot);
pfn_modify_allowed 1670 mm/memory.c    	if (!pfn_modify_allowed(pfn, pgprot))
pfn_modify_allowed 1734 mm/memory.c    	if (!pfn_modify_allowed(pfn_t_to_pfn(pfn), pgprot))
pfn_modify_allowed 1805 mm/memory.c    		if (!pfn_modify_allowed(pfn, prot)) {
pfn_modify_allowed  348 mm/mprotect.c  	return pfn_modify_allowed(pte_pfn(*pte), *(pgprot_t *)(walk->private)) ?
pfn_modify_allowed  356 mm/mprotect.c  	return pfn_modify_allowed(pte_pfn(*pte), *(pgprot_t *)(walk->private)) ?