Re: [00/45 RFC PATCH] 1GB superpageblock memory allocation

David Hildenbrand (Arm)
2026-05-01T07:14:06Z

On 4/30/26 22:20, Rik van Riel wrote:

Is there some text missing here, given that the first paragraph starts with
"Neither of those" and I am not sure which solutions you have in mind?

> Neither of those are great solutions, given that modern servers
> tend to be large, often run multiple workloads simultaneously,
> and each workload wants something else.
>
> To address that issue, this patch series divides memory not just
> into 2MB page blocks, but into PUD sized superpageblocks, and
> aggressively tries to steer unmovable, reclaimable, and highatomic
> allocations into those superpageblocks that have already been
> "tainted" by such allocations.

--
Cheers,

David