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    SubjectRe: [PATCH v4 01/25] mm: Introduce struct folio
    On Fri, Mar 05, 2021 at 04:18:37AM +0000, Matthew Wilcox (Oracle) wrote:
    > A struct folio refers to an entire (possibly compound) page. A function
    > which takes a struct folio argument declares that it will operate on the
    > entire compound page, not just PAGE_SIZE bytes. In return, the caller
    > guarantees that the pointer it is passing does not point to a tail page.
    >

    Is this a part of a larger use case or general cleanup/refactor where
    the split between page and folio simplify programming?

    Balbir Singh.



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