mm/gup: Add try_get_folio() and try_grab_folio()

Convert try_get_compound_head() into try_get_folio() and convert
try_grab_compound_head() into try_grab_folio().  Add a temporary
try_grab_compound_head() wrapper around try_grab_folio() to let us
convert callers individually.

Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: John Hubbard <[email protected]>
Reviewed-by: Jason Gunthorpe <[email protected]>
Reviewed-by: William Kucharski <[email protected]>

0 files changed, 0 insertions, 0 deletions