| 1 | // SPDX-License-Identifier: GPL-2.0-only |
|---|---|
| 2 | /* Copyright(c) 2022 Intel Corporation. All rights reserved. */ |
| 3 | #include <linux/atomic.h> |
| 4 | #include <linux/export.h> |
| 5 | #include "cxlmem.h" |
| 6 | |
| 7 | static atomic_t mem_active; |
| 8 | |
| 9 | bool cxl_mem_active(void) |
| 10 | { |
| 11 | return atomic_read(v: &mem_active) != 0; |
| 12 | } |
| 13 | |
| 14 | void cxl_mem_active_inc(void) |
| 15 | { |
| 16 | atomic_inc(v: &mem_active); |
| 17 | } |
| 18 | EXPORT_SYMBOL_NS_GPL(cxl_mem_active_inc, "CXL"); |
| 19 | |
| 20 | void cxl_mem_active_dec(void) |
| 21 | { |
| 22 | atomic_dec(v: &mem_active); |
| 23 | } |
| 24 | EXPORT_SYMBOL_NS_GPL(cxl_mem_active_dec, "CXL"); |
| 25 |