mlock2(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x0)
mlock(&(0x7f0000ffb000/0x2000)=nil, 0x2000)
mlock2(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x1)
munlock(&(0x7f0000ffb000/0x3000)=nil, 0x3000)
mlock2(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x0)