Re: [PATCH 1/4] memcg: Convert mem_cgroup_move_charge_pte_range() to use a folio

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> On Jan 12, 2024, at 02:12, Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> wrote:
> Remove many calls to compound_head() by calling page_folio() once at
> the start of each stanza which receives a struct page from 'target'.
> There should be no change in behaviour here as all the called functions
> start out by converting the page to its folio.
> Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>

Reviewed-by: Muchun Song <>


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