PROT_PTE_DEVICE   241 arch/arm/mm/mmu.c #define PROT_PTE_DEVICE		L_PTE_PRESENT|L_PTE_YOUNG|L_PTE_DIRTY|L_PTE_XN
PROT_PTE_DEVICE    82 arch/unicore32/mm/mmu.c #define PROT_PTE_DEVICE		(PTE_PRESENT | PTE_YOUNG |	\