diff options
author | Kent Overstreet <kent.overstreet@gmail.com> | 2019-03-28 05:21:24 -0400 |
---|---|---|
committer | Kent Overstreet <kent.overstreet@gmail.com> | 2019-03-28 05:28:38 -0400 |
commit | 133dfeb64843af65a018be770eb005363ca59bd9 (patch) | |
tree | 6d37383fdb83a5bc618ec506fd1e14c22d7a32c2 /include/linux/bitops.h | |
parent | 365d3450058ba0a8d282d8155bfcc2057837ab95 (diff) |
Update bcachefs sources to d868a87c67 bcachefs: fix initial gc
Diffstat (limited to 'include/linux/bitops.h')
-rw-r--r-- | include/linux/bitops.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/bitops.h b/include/linux/bitops.h index dc2927b3..f2183d54 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -120,6 +120,12 @@ static inline unsigned long hweight_long(unsigned long w) return __builtin_popcountl(w); } +static inline unsigned long hweight64(u64 w) +{ + return __builtin_popcount((u32) w) + + __builtin_popcount(w >> 32); +} + static inline unsigned long hweight8(unsigned long w) { return __builtin_popcountl(w); |