r0 = openat$procfs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/vmallocinfo\x00', 0x0, 0x0)
mmap$IORING_OFF_CQ_RING(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x1, 0x11, r0, 0x8000000)