On Mon, Jun 14, 2021 at 09:14:03PM +0100, Matthew Wilcox (Oracle) wrote: > atomic_add_unless() returns bool, so remove the widening casts to int > in page_ref_add_unless() and get_page_unless_zero(). This causes gcc > to produce slightly larger code in isolate_migratepages_block(), but > it's not clear that it's worse code. Net +19 bytes of text. Strange. Anyway, this looks like the right type, so: Reviewed-by: Christoph Hellwig <hch@xxxxxx>
