Function report |
Source Code:lib\bitmap.c |
Create Date:2022-07-28 06:20:30 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:map_pos_to_ord - find ordinal of set bit at given position in bitmap*@buf: pointer to a bitmap*@pos: a bit position in @buf (0 <= @pos < @nbits)*@nbits: number of valid bit positions in @buf* Map the bit at position @pos in @buf (of length @nbits) to the
Proto:static int bitmap_pos_to_ord(const unsigned long *buf, unsigned int pos, unsigned int nbits)
Type:int
Parameter:
Type | Parameter | Name |
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const unsigned long * | buf | |
unsigned int | pos | |
unsigned int | nbits |
735 | If pos >= nbits || Not st_bit - Determine whether a bit is set*@nr: bit number to test*@addr: Address to start counting from Then Return -1 |
738 | Return __bitmap_weight(buf, pos) |
Name | Describe |
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bitmap_remap | map_remap - Apply map defined by a pair of bitmaps to another bitmap*@dst: remapped result*@src: subset to be remapped*@old: defines domain of map*@new: defines range of map*@nbits: number of bits in each of these bitmaps* Let @old and @new define a |
bitmap_bitremap | map_bitremap - Apply map defined by a pair of bitmaps to a single bit*@oldbit: bit position to be mapped*@old: defines domain of map*@new: defines range of map*@bits: number of bits in each of these bitmaps* Let @old and @new define a mapping of bit |
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