mlock2(&(0x7f0000fef000/0x1000)=nil, 0x1000, 0x0)
mlock(&(0x7f0000ffb000/0x1000)=nil, 0x1000)
madvise(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x10)
mremap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x1000, 0x3, &(0x7f0000ff7000/0x1000)=nil)