On Fri 16-11-18 14:40:29, Masahiro Yamada wrote: > Sparse reports: > ./include/linux/slab.h:332:43: warning: dubious: x & !y JFYI this has been discussed here http://lkml.kernel.org/r/20181105204000.129023-1-bvanassche@xxxxxxx > Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> > --- > > include/linux/slab.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/include/linux/slab.h b/include/linux/slab.h > index 918f374..d395c73 100644 > --- a/include/linux/slab.h > +++ b/include/linux/slab.h > @@ -329,7 +329,7 @@ static __always_inline enum kmalloc_cache_type kmalloc_type(gfp_t flags) > * If an allocation is both __GFP_DMA and __GFP_RECLAIMABLE, return > * KMALLOC_DMA and effectively ignore __GFP_RECLAIMABLE > */ > - return type_dma + (is_reclaimable & !is_dma) * KMALLOC_RECLAIM; > + return type_dma + (is_reclaimable && !is_dma) * KMALLOC_RECLAIM; > } > > /* > -- > 2.7.4 -- Michal Hocko SUSE Labs