linux-kernel - Re: [PATCH v2 02/14] futex: Extend the FUTEX2 flags

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Date:   Mon, 07 Aug 2023 20:56:50 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Peter Zijlstra <peterz@...radead.org>, axboe@...nel.dk
Cc:     linux-kernel@...r.kernel.org, peterz@...radead.org,
        mingo@...hat.com, dvhart@...radead.org, dave@...olabs.net,
        andrealmeid@...lia.com, Andrew Morton <akpm@...ux-foundation.org>,
        urezki@...il.com, hch@...radead.org, lstoakes@...il.com,
        Arnd Bergmann <arnd@...db.de>, linux-api@...r.kernel.org,
        linux-mm@...ck.org, linux-arch@...r.kernel.org,
        malteskarupke@....de
Subject: Re: [PATCH  v2 02/14] futex: Extend the FUTEX2 flags

On Mon, Aug 07 2023 at 14:18, Peter Zijlstra wrote:
>  /*
>   * Flags for futex2 syscalls.
> + *
> + * NOTE: these are not pure flags, they can also be seen as:
> + *
> + *   union {
> + *     u32  flags;
> + *     struct {
> + *       u32 size    : 2,
> + *           numa    : 1,
> + *                   : 4,
> + *           private : 1;
> + *     };
> + *   };
>   */

Nice documentation

Reviewed-by: Thomas Gleixner <tglx@...utronix.de>