mlock(&(0x7f0000ffd000/0x2000)=nil, 0x2000) munlock(&(0x7f0000ffe000/0x2000)=nil, 0x2000) madvise(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x17) madvise(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x8) mlock2(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x0)