_PAGE_CA_WB        31 arch/xtensa/include/asm/initialize_mmu.h #define CA_WRITEBACK	(_PAGE_CA_WB     | _PAGE_HW_WRITE | _PAGE_HW_EXEC)
_PAGE_CA_WB       167 arch/xtensa/include/asm/pgtable.h #define _PAGE_PRESENT	   (_PAGE_HW_VALID | _PAGE_CA_WB | _PAGE_ACCESSED)
_PAGE_CA_WB       184 arch/xtensa/include/asm/pgtable.h # define _PAGE_DIRECTORY   (_PAGE_HW_VALID | _PAGE_ACCESSED | _PAGE_CA_WB)