From: Reinette Chatre > Sent: 19 June 2019 21:27 > > While the DOC at the beginning of lib/bitmap.c explicitly states that > "The number of valid bits in a given bitmap does _not_ need to be an > exact multiple of BITS_PER_LONG.", some of the bitmap operations do > indeed access BITS_PER_LONG portions of the provided bitmap no matter > the size of the provided bitmap. For example, if find_first_bit() > is provided with an 8 bit bitmap the operation will access > BITS_PER_LONG bits from the provided bitmap. While the operation > ensures that these extra bits do not affect the result, the memory > is still accessed. I suspect that comment also needs correcting. On BE systems you really do need to have a array of longs. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)
