Messages in this thread | | | Date | Mon, 23 Nov 2015 13:45:04 +0100 | From | Michal Hocko <> | Subject | Re: [PATCH v2] mm: fix up sparse warning in gfpflags_allow_blocking |
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On Mon 23-11-15 07:23:29, Jeff Layton wrote: > sparse says: > > include/linux/gfp.h:274:26: warning: incorrect type in return expression (different base types) > include/linux/gfp.h:274:26: expected bool > include/linux/gfp.h:274:26: got restricted gfp_t > > Add a comparison to zero to have it return bool. > > Cc: Michal Hocko <mhocko@kernel.org> > Cc: Mel Gorman <mgorman@techsingularity.net> > Signed-off-by: Jeff Layton <jeff.layton@primarydata.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Thanks!
> --- > include/linux/gfp.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > [v2: use a compare instead of forced cast, as suggested by Michal] > > diff --git a/include/linux/gfp.h b/include/linux/gfp.h > index 6523109e136d..b76c92073b1b 100644 > --- a/include/linux/gfp.h > +++ b/include/linux/gfp.h > @@ -271,7 +271,7 @@ static inline int gfpflags_to_migratetype(const gfp_t gfp_flags) > > static inline bool gfpflags_allow_blocking(const gfp_t gfp_flags) > { > - return gfp_flags & __GFP_DIRECT_RECLAIM; > + return (gfp_flags & __GFP_DIRECT_RECLAIM) != 0; > } > > #ifdef CONFIG_HIGHMEM > -- > 2.4.3
-- Michal Hocko SUSE Labs
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