Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> 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. > > Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> > Reviewed-by: Christoph Hellwig <hch@xxxxxx> > Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> Reviewed-by: David Howells <dhowells@xxxxxxxxxx>