madvise(&(0x7f0000870000/0x4000)=nil, 0x4000, 0x17)
munmap(&(0x7f0000874000/0x1000)=nil, 0x1000)
mlock(&(0x7f0000875000/0x2000)=nil, 0x2000)
mremap(&(0x7f0000871000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000ffd000/0x1000)=nil)
mlock2(&(0x7f0000870000/0x4000)=nil, 0x4000, 0x0)
mlock(&(0x7f0000875000/0x3000)=nil, 0x3000)
munmap(&(0x7f0000873000/0x3000)=nil, 0x3000)