perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0x82, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
ioctl$LOOP_CTL_GET_FREE(0xffffffffffffffff, 0x4c82)
pipe2(&(0x7f0000000040), 0x4800)
BUG: memory leak
unreferenced object 0x00041640 (size 48):
  comm "swapper/0", pid 0, jiffies 4294667296
  hex dump (first 32 bytes on cpu 1):
    14 00 00 00 00 00 00 0d 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 0):
    pcpu_alloc_noprof+0x777/0x11b0
    setup_per_cpu_pageset+0x158/0x1f0
    start_kernel+0x34c/0x540
    x86_64_start_reservations+0x18/0x30
    x86_64_start_kernel+0xcb/0xe0
    common_startup_64+0x12c/0x138

BUG: leak checking failed