cxl_use_count 16 drivers/misc/cxl/base.c atomic_t cxl_use_count = ATOMIC_INIT(0); cxl_use_count 17 drivers/misc/cxl/base.c EXPORT_SYMBOL(cxl_use_count); cxl_use_count 18 include/misc/cxl-base.h extern atomic_t cxl_use_count; cxl_use_count 22 include/misc/cxl-base.h return (atomic_read(&cxl_use_count) != 0); cxl_use_count 27 include/misc/cxl-base.h atomic_inc(&cxl_use_count); cxl_use_count 32 include/misc/cxl-base.h atomic_dec(&cxl_use_count);