ttu               968 mm/memory-failure.c 	enum ttu_flags ttu = TTU_IGNORE_MLOCK | TTU_IGNORE_ACCESS;
ttu              1000 mm/memory-failure.c 		ttu |= TTU_IGNORE_HWPOISON;
ttu              1016 mm/memory-failure.c 			ttu |= TTU_IGNORE_HWPOISON;
ttu              1033 mm/memory-failure.c 	unmap_success = try_to_unmap(hpage, ttu);