Hello,

Sorry for the delay. I have missed this until now. ;-(

On Sun, Dec 24, 2017 at 11:33 AM, Nick Desaulniers
<[email protected]> wrote:
> Fixes warnings about shifting unsigned literals being undefined
> behavior.
>
> Signed-off-by: Nick Desaulniers <[email protected]>
> ---
>  mm/zsmalloc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
> index 685049a..5d31458 100644
> --- a/mm/zsmalloc.c
> +++ b/mm/zsmalloc.c
> @@ -1056,7 +1056,7 @@ static void init_zspage(struct size_class *class, 
> struct zspage *zspage)
>                          * Reset OBJ_TAG_BITS bit to last link to tell
>                          * whether it's allocated object or not.
>                          */
> -                       link->next = -1 << OBJ_TAG_BITS;
> +                       link->next = -1U << OBJ_TAG_BITS;

-1UL?

Please, resend it with including Andrew Morton
<[email protected]> who merges zsmalloc patch into his tree.

Thanks.

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