On Mon, 5 Oct 2020 11:11:35 +0300 Topi Miettinen <toiwoton@xxxxxxxxx> wrote: > The point is not to shrink the kernel (it will shrink by one small > function) or get rid of complexity. The point is to disable an inferior > interface. Memory returned by mmap() is at a random location but with > brk() it is located near the data segment, so the address is more easily > predictable. So if your true objective is to get glibc to allocate memory differently, perhaps the right thing to do is to patch glibc? Thanks, jon