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BITMAP_TO_U32ARRAY(9) Basic Kernel Library Functions BITMAP_TO_U32ARRAY(9)

NAME

bitmap_to_u32array - copy the contents of bitmap to a u32 array of bits

SYNOPSIS

unsigned int bitmap_to_u32array(u32 * buf, unsigned int nwords, const unsigned long * bitmap, unsigned int nbits);

ARGUMENTS

buf

array of u32 (in host byte order), the dest bitmap, non NULL

nwords

number of u32 words in buf

bitmap

array of unsigned longs, the source bitmap, non NULL

nbits

number of bits in bitmap

DESCRIPTION

copy min(nbits, 32*nwords) bits from bitmap to buf. Remaining bits after nbits in buf (if any) are cleared.

Return the number of bits effectively copied.

COPYRIGHT

June 2024 Kernel Hackers Manual 3.10