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It duplicates existing generic functionality with no benefits. In fact, generic alternatives may work even better because they optimized for small_const_nbits() case and overall very well optimized for performance and code generation. This series drops _reg_op() entirely. Yury Norov (6): bitmap: fix opencoded bitmap_allocate_region() bitmap: replace _reg_op(REG_OP_ALLOC) with bitmap_set() bitmap: replace _reg_op(REG_OP_RELEASE) with bitmap_clear() bitmap: replace _reg_op(REG_OP_ISFREE) with find_next_bit() bitmap: drop _reg_op() bitmap: move functions include/linux/bitmap.h | 65 ++++++++++++++++++- lib/bitmap.c | 140 ----------------------------------------- 2 files changed, 62 insertions(+), 143 deletions(-)