diff options
Diffstat (limited to 'backport/backport-include/linux/average.h')
| -rw-r--r-- | backport/backport-include/linux/average.h | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/backport/backport-include/linux/average.h b/backport/backport-include/linux/average.h deleted file mode 100644 index 5d80041f..00000000 --- a/backport/backport-include/linux/average.h +++ /dev/null @@ -1,46 +0,0 @@ -#ifndef __BACKPORT_AVERAGE -#define __BACKPORT_AVERAGE -#include_next <linux/average.h> - -#ifndef DECLARE_EWMA -#define DECLARE_EWMA(name, _factor, _weight) \ - struct ewma_##name { \ - unsigned long internal; \ - }; \ - static inline void ewma_##name##_init(struct ewma_##name *e) \ - { \ - BUILD_BUG_ON(!__builtin_constant_p(_factor)); \ - BUILD_BUG_ON(!__builtin_constant_p(_weight)); \ - BUILD_BUG_ON_NOT_POWER_OF_2(_factor); \ - BUILD_BUG_ON_NOT_POWER_OF_2(_weight); \ - e->internal = 0; \ - } \ - static inline unsigned long \ - ewma_##name##_read(struct ewma_##name *e) \ - { \ - BUILD_BUG_ON(!__builtin_constant_p(_factor)); \ - BUILD_BUG_ON(!__builtin_constant_p(_weight)); \ - BUILD_BUG_ON_NOT_POWER_OF_2(_factor); \ - BUILD_BUG_ON_NOT_POWER_OF_2(_weight); \ - return e->internal >> ilog2(_factor); \ - } \ - static inline void ewma_##name##_add(struct ewma_##name *e, \ - unsigned long val) \ - { \ - unsigned long internal = ACCESS_ONCE(e->internal); \ - unsigned long weight = ilog2(_weight); \ - unsigned long factor = ilog2(_factor); \ - \ - BUILD_BUG_ON(!__builtin_constant_p(_factor)); \ - BUILD_BUG_ON(!__builtin_constant_p(_weight)); \ - BUILD_BUG_ON_NOT_POWER_OF_2(_factor); \ - BUILD_BUG_ON_NOT_POWER_OF_2(_weight); \ - \ - ACCESS_ONCE(e->internal) = internal ? \ - (((internal << weight) - internal) + \ - (val << factor)) >> weight : \ - (val << factor); \ - } -#endif /* DECLARE_EWMA */ - -#endif /* __BACKPORT_AVERAGE */ |