linux-kernel - Re: [PATCH 20/32] magic number for rscctrl file system

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Date:	Thu, 28 Jul 2016 00:57:45 -0500
From:	Nilay Vaish <nilayvaish@...il.com>
To:	Fenghua Yu <fenghua.yu@...el.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
	"H. Peter Anvin" <h.peter.anvin@...el.com>,
	Tony Luck <tony.luck@...el.com>, Tejun Heo <tj@...nel.org>,
	Borislav Petkov <bp@...e.de>,
	Stephane Eranian <eranian@...gle.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Marcelo Tosatti <mtosatti@...hat.com>,
	David Carrillo-Cisneros <davidcc@...gle.com>,
	Ravi V Shankar <ravi.v.shankar@...el.com>,
	Vikas Shivappa <vikas.shivappa@...ux.intel.com>,
	Sai Prakhya <sai.praneeth.prakhya@...el.com>,
	linux-kernel <linux-kernel@...r.kernel.org>, x86 <x86@...nel.org>
Subject: Re: [PATCH 20/32] magic number for rscctrl file system

On 12 July 2016 at 20:02, Fenghua Yu <fenghua.yu@...el.com> wrote:
> From: Fenghua Yu <fenghua.yu@...el.com>
>
> Signed-off-by: Fenghua Yu <fenghua.yu@...el.com>
> Reviewed-by: Tony Luck <tony.luck@...el.com>
> ---
>  include/uapi/linux/magic.h | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/include/uapi/linux/magic.h b/include/uapi/linux/magic.h
> index 546b388..655036a 100644
> --- a/include/uapi/linux/magic.h
> +++ b/include/uapi/linux/magic.h
> @@ -57,6 +57,8 @@
>  #define CGROUP_SUPER_MAGIC     0x27e0eb
>  #define CGROUP2_SUPER_MAGIC    0x63677270
>
> +#define RDTGROUP_SUPER_MAGIC   0x7655821
> +
>
>  #define STACK_END_MAGIC                0x57AC6E9D


Just for my information, can you tell me how did you choose the magic number?

--
Nilay