MAP_TRIM_SHIFT    133 drivers/nvdimm/btt.c 		mapping |= (1 << MAP_TRIM_SHIFT);
MAP_TRIM_SHIFT     17 drivers/nvdimm/btt.h #define MAP_TRIM_MASK (1 << MAP_TRIM_SHIFT)
MAP_TRIM_SHIFT     20 drivers/nvdimm/btt.h #define MAP_LBA_MASK (~((1 << MAP_TRIM_SHIFT) | (1 << MAP_ERR_SHIFT)))