Re: [PATCHv7 12/18] mm/hugetlb: Remove fake head pages

patchwork-bot+linux-riscv
2026-04-30T03:26:37Z

Hello:

This patch was applied to riscv/linux.git (fixes)
by Andrew Morton <akpm@linux-foundation.org>:

On Fri, 27 Feb 2026 19:30:13 +0000 you wrote:
> From: Kiryl Shutsemau <kas@kernel.org>
>
> HugeTLB Vmemmap Optimization (HVO) reduces memory usage by freeing most
> vmemmap pages for huge pages and remapping the freed range to a single
> page containing the struct page metadata.
>
> With the new mask-based compound_info encoding (for power-of-2 struct
> page sizes), all tail pages of the same order are now identical
> regardless of which compound page they belong to. This means the tail
> pages can be truly shared without fake heads.
>
> [...]

Here is the summary with links:
- [PATCHv7,12/18] mm/hugetlb: Remove fake head pages
https://git.kernel.org/riscv/c/622026e87c40

You are awesome, thank you!
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