* r...@redhat.com <r...@redhat.com> wrote:

> When RLIMIT_STACK is larger than the minimum gap enforced by
> mmap_base(), it is possible for the kernel to place the mmap
> area where the stack wants to grow, resulting in the stack
> not being able to use the space that should have been allocated
> to it through RLIMIT_STACK.
> This series ensures that x86, ARM64, and PPC have at least
> RLIMIT_STACK + stack randomization + the stack guard gap
> space available for the stack.
> s390 seems to be ok. I have not checked other architectures.

x86 patch LGTM:

  Acked-by: Ingo Molnar <mi...@kernel.org>

... but I suspect this wants to go via -mm or Linus directly?



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