madvise(&(0x7f0000c00000/0x400000)=nil, 0x400000, 0x66)
move_pages(0x0, 0x1, &(0x7f0000000000)=[&(0x7f0000c34000/0x4000)=nil], 0x0, &(0x7f0000000100), 0x0)