ptdump_open        21 arch/arm/mm/ptdump_debugfs.c 	.open		= ptdump_open,
ptdump_open       522 arch/powerpc/mm/ptdump/hashpagetable.c 	.open		= ptdump_open,
ptdump_open       378 arch/powerpc/mm/ptdump/ptdump.c 	.open		= ptdump_open,
ptdump_open       271 arch/s390/mm/dump_pagetables.c 	.open		= ptdump_open,