linux-kernel - Re: [PATCH mm] tracing: incorrect gfp

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Message-Id: <20220507160010.aa2077e28c4710400e144bfb@linux-foundation.org>
Date:   Sat, 7 May 2022 16:00:10 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Vasily Averin <vvs@...nvz.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>, kernel@...nvz.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH mm] tracing: incorrect gfp_t conversion

On Sat, 7 May 2022 15:48:35 -0700 Andrew Morton <akpm@...ux-foundation.org> wrote:

> I did the below.
> 

Silly me, doesn't work.

> 
> --- a/include/trace/events/mmflags.h~tracing-incorrect-gfp_t-conversion-fix
> +++ a/include/trace/events/mmflags.h
> @@ -13,53 +13,57 @@
>   * Thus most bits set go first.
>   */
>  
> +#define FUL __force unsigned long
> +
>  #define __def_gfpflag_names						\
> -	{(__force unsigned long)GFP_TRANSHUGE,		"GFP_TRANSHUGE"},	\

Can't expand FUL here within the macro definition.