madvise(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x16)
move_pages(0x0, 0x1, &(0x7f0000000000)=[&(0x7f0000fff000/0x1000)=nil], 0x0, &(0x7f0000000140), 0x0)