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Date: Wed, 10 May 2017 13:52:38 -0400
From: Tejun Heo <>
To: Daniel Micay <>
Cc: Christoph Lameter <>, Kees Cook <>,
Subject: Re: [PATCH] mark most percpu globals as __ro_after_init

Hello, Daniel.

On Wed, May 10, 2017 at 01:36:37PM -0400, Daniel Micay wrote:
> Moving pcpu_base_addr to this section comes from PaX where it's part of
> KERNEXEC. This extends it to the rest of the globals only written by the
> init code.

How did you test the patch?

> -static struct list_head *pcpu_slot __read_mostly; /* chunk list slots */
> +static struct list_head *pcpu_slot __ro_after_init; /* chunk list slots */

At least this one isn't read only.



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