Re: [PATCHv7 14/18] hugetlb: Remove VMEMMAP_SYNCHRONIZE_RCU

patchwork-bot+linux-riscv
2026-04-30T03:26:50Z

Hello:

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

On Fri, 27 Feb 2026 19:30:15 +0000 you wrote:
> From: Kiryl Shutsemau <kas@kernel.org>
>
> The VMEMMAP_SYNCHRONIZE_RCU flag triggered synchronize_rcu() calls to
> prevent a race between HVO remapping and page_ref_add_unless(). The
> race could occur when a speculative PFN walker tried to modify the
> refcount on a struct page that was in the process of being remapped
> to a fake head.
>
> [...]

Here is the summary with links:
- [PATCHv7,14/18] hugetlb: Remove VMEMMAP_SYNCHRONIZE_RCU
https://git.kernel.org/riscv/c/01b1d0ffb6f7

You are awesome, thank you!
--
Deet-doot-dot, I am a bot.