mremap(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x1000, 0x3, &(0x7f0000ffe000/0x1000)=nil)
get_mempolicy(0x0, 0x0, 0x0, &(0x7f0000ffc000/0x4000)=nil, 0x3)