| Arnaldo Carvalho de Melo | 1250090 | 2019-08-22 16:58:29 -0300 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef PERF_CACHELINE_H |
| 3 | #define PERF_CACHELINE_H |
| 4 | |
| 5 | #include <linux/compiler.h> |
| 6 | |
| 7 | int __pure cacheline_size(void); |
| 8 | |
| 9 | static inline u64 cl_address(u64 address) |
| 10 | { |
| 11 | /* return the cacheline of the address */ |
| 12 | return (address & ~(cacheline_size() - 1)); |
| 13 | } |
| 14 | |
| 15 | static inline u64 cl_offset(u64 address) |
| 16 | { |
| 17 | /* return the cacheline of the address */ |
| 18 | return (address & (cacheline_size() - 1)); |
| 19 | } |
| 20 | |
| 21 | #endif // PERF_CACHELINE_H |