mlock(&(0x7f0000ffe000/0x2000)=nil, 0x2000)
mremap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x4000, 0x3, &(0x7f0000ff8000/0x4000)=nil)
mlock2(&(0x7f0000ffa000/0x3000)=nil, 0x3000, 0x0)