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    SubjectRe: [PATCH v14 085/138] mm/filemap: Add filemap_alloc_folio
    Date
    Matthew Wilcox (Oracle) <willy@infradead.org> wrote:

    > Reimplement __page_cache_alloc as a wrapper around filemap_alloc_folio
    > to allow filesystems to be converted at our leisure. Increases
    > kernel text size by 133 bytes, mostly in cachefiles_read_backing_file().
    > pagecache_get_page() shrinks by 32 bytes, though.
    >
    > Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
    > Reviewed-by: Christoph Hellwig <hch@lst.de>
    > ...
    > +static inline struct page *__page_cache_alloc(gfp_t gfp)
    > +{
    > + return &filemap_alloc_folio(gfp, 0)->page;
    > +}

    Might be worth a note that this *will* return NULL if the allocation fails,
    though I guess it's deprecated?

    Reviewed-by: David Howells <dhowells@redhat.com>

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