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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
include/linux: move for_each_bit() macros from bitops.h to find.h
for_each_bit() macros depend on find_bit() machinery, and so the
proper place for them is the find.h header.
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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include/linux/bitops.h
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include/linux/bitops.h
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*/
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#include <asm/bitops.h>
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#define for_each_set_bit(bit, addr, size) \
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for ((bit) = find_first_bit((addr), (size)); \
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(bit) < (size); \
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(bit) = find_next_bit((addr), (size), (bit) + 1))
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-
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/* same as for_each_set_bit() but use bit as value to start with */
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#define for_each_set_bit_from(bit, addr, size) \
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for ((bit) = find_next_bit((addr), (size), (bit)); \
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(bit) < (size); \
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(bit) = find_next_bit((addr), (size), (bit) + 1))
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-
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#define for_each_clear_bit(bit, addr, size) \
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for ((bit) = find_first_zero_bit((addr), (size)); \
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(bit) < (size); \
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(bit) = find_next_zero_bit((addr), (size), (bit) + 1))
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-
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/* same as for_each_clear_bit() but use bit as value to start with */
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#define for_each_clear_bit_from(bit, addr, size) \
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for ((bit) = find_next_zero_bit((addr), (size), (bit)); \
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(bit) < (size); \
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(bit) = find_next_zero_bit((addr), (size), (bit) + 1))
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-
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/**
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* for_each_set_clump8 - iterate over bitmap for each 8-bit clump with set bits
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* @start: bit offset to start search and to store the current iteration offset
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* @clump: location to store copy of current 8-bit clump
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* @bits: bitmap address to base the search on
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* @size: bitmap size in number of bits
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*/
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#define for_each_set_clump8(start, clump, bits, size) \
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for ((start) = find_first_clump8(&(clump), (bits), (size)); \
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(start) < (size); \
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(start) = find_next_clump8(&(clump), (bits), (size), (start) + 8))
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-
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static inline int get_bitmask_order(unsigned int count)
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{
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int order;
+34
include/linux/find.h
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include/linux/find.h
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#error "Please fix <asm/byteorder.h>"
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#endif
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#define for_each_set_bit(bit, addr, size) \
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for ((bit) = find_first_bit((addr), (size)); \
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(bit) < (size); \
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(bit) = find_next_bit((addr), (size), (bit) + 1))
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+
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/* same as for_each_set_bit() but use bit as value to start with */
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#define for_each_set_bit_from(bit, addr, size) \
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for ((bit) = find_next_bit((addr), (size), (bit)); \
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(bit) < (size); \
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(bit) = find_next_bit((addr), (size), (bit) + 1))
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+
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#define for_each_clear_bit(bit, addr, size) \
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for ((bit) = find_first_zero_bit((addr), (size)); \
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(bit) < (size); \
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(bit) = find_next_zero_bit((addr), (size), (bit) + 1))
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/* same as for_each_clear_bit() but use bit as value to start with */
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#define for_each_clear_bit_from(bit, addr, size) \
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for ((bit) = find_next_zero_bit((addr), (size), (bit)); \
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(bit) < (size); \
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(bit) = find_next_zero_bit((addr), (size), (bit) + 1))
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/**
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* for_each_set_clump8 - iterate over bitmap for each 8-bit clump with set bits
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* @start: bit offset to start search and to store the current iteration offset
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* @clump: location to store copy of current 8-bit clump
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* @bits: bitmap address to base the search on
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* @size: bitmap size in number of bits
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*/
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#define for_each_set_clump8(start, clump, bits, size) \
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for ((start) = find_first_clump8(&(clump), (bits), (size)); \
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(start) < (size); \
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(start) = find_next_clump8(&(clump), (bits), (size), (start) + 8))
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#endif /*__LINUX_FIND_H_ */