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author | Ingo Molnar <mingo@kernel.org> | 2019-12-10 10:11:00 +0100 |
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committer | Ingo Molnar <mingo@kernel.org> | 2019-12-10 10:11:00 +0100 |
commit | 2040cf9f59037aa8aec749363e69ead165b67b43 (patch) | |
tree | e9c15448e841cc493bc80b9f658d7955623e86dd /include/linux/bitops.h | |
parent | f66c0447cca1281116224d474cdb37d6a18e4b5b (diff) | |
parent | e42617b825f8073569da76dc4510bfa019b1c35a (diff) |
Merge tag 'v5.5-rc1' into core/kprobes, to resolve conflicts
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/bitops.h')
-rw-r--r-- | include/linux/bitops.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/bitops.h b/include/linux/bitops.h index c94a9ff9f082..e479067c202c 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -47,6 +47,18 @@ extern unsigned long __sw_hweight64(__u64 w); (bit) < (size); \ (bit) = find_next_zero_bit((addr), (size), (bit) + 1)) +/** + * for_each_set_clump8 - iterate over bitmap for each 8-bit clump with set bits + * @start: bit offset to start search and to store the current iteration offset + * @clump: location to store copy of current 8-bit clump + * @bits: bitmap address to base the search on + * @size: bitmap size in number of bits + */ +#define for_each_set_clump8(start, clump, bits, size) \ + for ((start) = find_first_clump8(&(clump), (bits), (size)); \ + (start) < (size); \ + (start) = find_next_clump8(&(clump), (bits), (size), (start) + 8)) + static inline int get_bitmask_order(unsigned int count) { int order; |