mmap(NULL, 192512, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe772fdf000
mremap(0x7fe771772000, 532480, 536576, MREMAP_MAYMOVE) = 0x7fe771772000
brk(0x49ac000)                          = 0x49ac000
brk(0x49cd000)                          = 0x49cd000
mremap(0x7fe771772000, 536576, 540672, MREMAP_MAYMOVE) = 0x7fe771772000
brk(0x49ee000)                          = 0x49ee000
brk(0x49ed000)                          = 0x49ed000
brk(0x4a0e000)                          = 0x4a0e000
brk(0x4a2f000)                          = 0x4a2f000
mremap(0x7fe771772000, 540672, 544768, MREMAP_MAYMOVE) = 0x7fe771772000
...