start_bitidx 69 include/linux/pageblock-flags.h #define get_pageblock_flags_group(page, start_bitidx, end_bitidx) \ start_bitidx 72 include/linux/pageblock-flags.h (1 << (end_bitidx - start_bitidx + 1)) - 1) start_bitidx 73 include/linux/pageblock-flags.h #define set_pageblock_flags_group(page, flags, start_bitidx, end_bitidx) \ start_bitidx 76 include/linux/pageblock-flags.h (1 << (end_bitidx - start_bitidx + 1)) - 1)