mm: remove page_cache_alloc()

Patch series "More folio compat code removal".

More code removal with bonus kernel-doc addition.


This patch (of 7):

All callers have now been converted to filemap_alloc_folio().

Link: https://lkml.kernel.org/r/20240424191914.361554-1-willy@infradead.org
Link: https://lkml.kernel.org/r/20240424191914.361554-2-willy@infradead.org


Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>