shmem: convert shmem_fallocate() to use a folio

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Call shmem_get_folio() and use the folio APIs instead of the page APIs. 
Saves several calls to compound_head() and removes assumptions about the
size of a large folio.

Link: https://lkml.kernel.org/r/20220902194653.1739778-29-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

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Matthew Wilcox (Oracle) 2022-09-02 20:46:24 +01:00 • committed by Andrew Morton

parent 4601e2fc8b

commit b0802b22a9

1 changed files with 17 additions and 19 deletions

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mm/shmem.c

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