ia64_fls 233 arch/ia64/kernel/time.c unsigned long hi = 1UL << ia64_fls(cpu); ia64_fls 326 arch/ia64/mm/tlb.c nbits = ia64_fls(size + 0xfff); ia64_fls 384 arch/ia64/mm/tlb.c purge.max_bits = ia64_fls(purge.mask);