MEM_WC 641 arch/x86/include/asm/perf_event_p4.h P4_GEN_ESCR_EMASK(P4_EVENT_IOQ_ALLOCATION, MEM_WC, 8), MEM_WC 653 arch/x86/include/asm/perf_event_p4.h P4_GEN_ESCR_EMASK(P4_EVENT_IOQ_ACTIVE_ENTRIES, MEM_WC, 8),