prlimit64(0x0, 0x2, &(0x7f0000000040)={0x2, 0xd1fc}, 0x0)
mremap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000fef000/0x1000)=nil)