On Tue, Apr 01, 2025 at 11:33:59AM +0200, David Hildenbrand wrote: > On 31.03.25 20:27, Gregory Price wrote: > > We discussed [1] how this auto-sizing can cause 1GB huge page > > allocation failures (assuming you online as ZONE_NORMAL). That means > > ACPI-informed sizing by default would potentially be harmful to existing > > systems and adding yet-another-boot-option just seems nasty. > > > > I've since dropped acpi-informed block size patch[2]. If there are opinions > > otherwise, I can continue pushing it. > > Oh, I thought we would be going forward with that. What's the reason we > would not want to do that? >
It seemed like having it reduce block size by default would make 1GB huge pages less reliable to allocate. If you think this isn't a large concern, I can update and push again. I suppose I could make it a build option. Any opinions here are welcome. ~Gregory
