[PATCH kernel] KVM: PPC: Book3S: Suppress warnings when allocating too big memory slots

[Michael Ellerman]

On Wed, 1 Sep 2021 18:45:12 +1000, Alexey Kardashevskiy wrote:
> The userspace can trigger "vmalloc size %lu allocation failure: exceeds
> total pages" via the KVM_SET_USER_MEMORY_REGION ioctl.
> 
> This silences the warning by checking the limit before calling vzalloc()
> and returns ENOMEM if failed.
> 
> This does not call underlying valloc helpers as __vmalloc_node() is only
> exported when CONFIG_TEST_VMALLOC_MODULE and __vmalloc_node_range() is not
> exported at all.
> 
> [...]

Applied to powerpc/next.

[1/1] KVM: PPC: Book3S: Suppress warnings when allocating too big memory slots
      https://git.kernel.org/powerpc/c/511d25d6b789fffcb20a3eb71899cf974a31bd9d

cheers