On Fri, 4 Dec 2020 20:32:37 -0500 Andrea Arcangeli <aarcange@xxxxxxxxxx> wrote: > I'm running with these patch applied on all instances as solution to > the compaction crashes that started to trigger after the v5.9 > upgrade. It's applied on top of > https://lore.kernel.org/lkml/20201201181502.2340-1-rppt@xxxxxxxxxx so > that it boots and works fine even when there are memblock.reserved > regions that don't overlap with the memblock.memory (as pfn 0 which is > in memblock.reserved but not added to memblock.memory). Are you planning on preparing an applicable-to-mainline version of this?