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SubjectRe: [PATCH v2] mm: Track page table modifications in __apply_to_page_range()
On Fri, 21 Aug 2020 14:37:46 +0200 Joerg Roedel <joro@8bytes.org> wrote:

> The __apply_to_page_range() function is also used to change and/or
> allocate page-table pages in the vmalloc area of the address space.
> Make sure these changes get synchronized to other page-tables in the
> system by calling arch_sync_kernel_mappings() when necessary.
>
> Tested-by: Chris Wilson <chris@chris-wilson.co.uk> #x86-32
> Cc: <stable@vger.kernel.org> # v5.8+

I'm trying to figure out how you figured out that this is 5.8+. Has a
particular misbehaving commit been identified?

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