1name: mm_compaction_begin 2ID: 221 3format: 4 field:unsigned short common_type; offset:0; size:2; signed:0; 5 field:unsigned char common_flags; offset:2; size:1; signed:0; 6 field:unsigned char common_preempt_count; offset:3; size:1; signed:0; 7 field:int common_pid; offset:4; size:4; signed:1; 8 9 field:unsigned long zone_start; offset:8; size:8; signed:0; 10 field:unsigned long migrate_pfn; offset:16; size:8; signed:0; 11 field:unsigned long free_pfn; offset:24; size:8; signed:0; 12 field:unsigned long zone_end; offset:32; size:8; signed:0; 13 field:bool sync; offset:40; size:1; signed:0; 14 15print fmt: "zone_start=0x%lx migrate_pfn=0x%lx free_pfn=0x%lx zone_end=0x%lx, mode=%s", REC->zone_start, REC->migrate_pfn, REC->free_pfn, REC->zone_end, REC->sync ? "sync" : "async" 16