mm/shmem: convert shmem_getpage_gfp to use a folio
Matthew Wilcox (Oracle) authored
Rename shmem_alloc_and_acct_page() to shmem_alloc_and_acct_folio() and
have it return a folio, then use a folio throuughout shmem_getpage_gfp(). 
It continues to return a struct page.

Link: https://lkml.kernel.org/r/20220504182857.4013401-23-willy@infradead.org

Signed-off-by: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
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