Re: [PATCH] vmcore: convert mmap_vmcore_fault() to use folios

[Pratyush Yadav]

On Tue, Sep 15 2026, Tal Zussman wrote:

> Use a folio for the page cache page the s390 fault handler reads the
> old kernel's memory into. This removes four compound_head() calls and
> one of the last callers of find_or_create_page().
>
> The vmcore mapping only has order-0 folios, so the logic is unchanged.
>
> Compile tested for s390.
>
> Signed-off-by: Tal Zussman <tz2294@xxxxxxxxxxxx>

Acked-by: Pratyush Yadav <pratyush@xxxxxxxxxx>

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-- 
Regards,
Pratyush Yadav