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 <mho...@kernel.org>
> Cc: Mel Gorman <mgor...@techsingularity.net>
> Signed-off-by: Jeff Layton <jeff.lay...@primarydata.com>
Acked-by: Michal Hocko <mho...@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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