Re: [PATCH v8 00/10] Multi-size THP for anonymous memory

Andrew Morton
2023-12-04T19:31:12Z

On Mon, 4 Dec 2023 10:20:17 +0000 Ryan Roberts <ryan.roberts@arm.com> wrote:

> Hi All,
>
>
> Prerequisites
> =============
>
> Some work items identified as being prerequisites are listed on page 3 at [9].
> The summary is:
>
> | item | status |
> |:------------------------------|:------------------------|
> | mlock | In mainline (v6.7) |
> | madvise | In mainline (v6.6) |
> | compaction | v1 posted [10] |
> | numa balancing | Investigated: see below |
> | user-triggered page migration | In mainline (v6.7) |
> | khugepaged collapse | In mainline (NOP) |

What does "prerequisites" mean here? Won't compile without? Kernel
crashes without? Nice-to-have-after? Please expand on this.

I looked at [9], but access is denied.

> [9] https://drive.google.com/file/d/1GnfYFpr7_c1kA41liRUW5YtCb8Cj18Ud/view?usp=sharing&resourcekey=0-U1Mj3-RhLD1JV6EThpyPyA