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Subject: Re: [PATCH v7 1/3] x86/mm: Adapt MODULES_END based on Fixmap section
 size
To: Thomas Garnier <thgarnie@google.com>,
        Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>,
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From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
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Date: Wed, 15 Mar 2017 09:52:54 -0400
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On 03/14/2017 01:05 PM, Thomas Garnier wrote:
> This patch aligns MODULES_END to the beginning of the Fixmap section.
> It optimizes the space available for both sections. The address is
> pre-computed based on the number of pages required by the Fixmap
> section.
>
> It will allow GDT remapping in the Fixmap section. The current
> MODULES_END static address does not provide enough space for the kernel
> to support a large number of processors.
>
> Signed-off-by: Thomas Garnier <thgarnie@google.com>

For Xen bits (and to some extent bare-metal):

Reviewed-and-Tested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>