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/linux/block/
H A Dblk-iocost.c1182 u64 inuse_sum = READ_ONCE(parent->child_inuse_sum); in current_hweight() local
1187 if (!active_sum || !inuse_sum) in current_hweight()
1193 inuse_sum = max_t(u64, inuse, inuse_sum); in current_hweight()
1194 hwi = div64_u64((u64)hwi * inuse, inuse_sum); in current_hweight()