madvise(&(0x7f0000ff9000/0x3000)=nil, 0x3000, 0x10)
get_mempolicy(0x0, &(0x7f0000000040), 0x3, &(0x7f0000ffc000/0x3000)=nil, 0x4)
mremap(&(0x7f0000ff9000/0x3000)=nil, 0x3000, 0x1000, 0x3, &(0x7f0000ffd000/0x1000)=nil)