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bitmap_fold
Langue: en
Version: June 2009 (debian - 07/07/09)
Section: 9 (Appels noyau Linux)
NAME
bitmap_fold - fold larger bitmap into smaller, modulo specified sizeSYNOPSIS
- void bitmap_fold(unsigned long * dst, const unsigned long * orig, int sz, int bits);
ARGUMENTS
dst
- resulting smaller bitmap
orig
- original larger bitmap
sz
- specified size
bits
- number of bits in each of these bitmaps
DESCRIPTION
For each bit oldbit in orig, set bit oldbit mod sz in dst. Clear all other bits in dst. See further the comment and Example [2] for bitmap_onto for why and how to use this.
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