Re: powerpc/mm/4k: Limit 4k page size config to 64TB virtual address space
From: Michael Ellerman <hidden>
Date: 2017-06-08 22:34:45
On Thu, 2017-06-01 at 14:35:04 UTC, "Aneesh Kumar K.V" wrote:
Supporting 512TB requires us to do a order 3 allocation for level 1 page table(pgd). This results in page allocation failures with certain workloads. For now limit 4k linux page size config to 64TB. Signed-off-by: Aneesh Kumar K.V <redacted>
Applied to powerpc fixes, thanks. https://git.kernel.org/powerpc/c/92d9dfda8b547cc292af27e11e11c9 cheers