mlock(&(0x7f0000ffb000/0x2000)=nil, 0x2000)
munlock(&(0x7f0000ffb000/0x4000)=nil, 0x4000)
madvise(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x8)
mbind(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x0, 0x2)