linux-kernel - Re: [PATCH 1/2] mm: CONFIG_ZONE_DEVICE stop depending on CONFIG

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Date:	Mon, 27 Jun 2016 09:39:31 -0400
From:	Jeff Moyer <jmoyer@...hat.com>
To:	Dan Williams <dan.j.williams@...el.com>
Cc:	akpm@...ux-foundation.org, linux-mm@...ck.org,
	Eric Sandeen <sandeen@...hat.com>,
	linux-kernel@...r.kernel.org, linux-nvdimm@...1.01.org
Subject: Re: [PATCH 1/2] mm: CONFIG_ZONE_DEVICE stop depending on CONFIG_EXPERT

Dan Williams <dan.j.williams@...el.com> writes:

> When it was first introduced CONFIG_ZONE_DEVICE depended on disabling
> CONFIG_ZONE_DMA, a configuration choice reserved for "experts".
> However, now that the ZONE_DMA conflict has been eliminated it no longer
> makes sense to require CONFIG_EXPERT.
>
> Reported-by: Eric Sandeen <sandeen@...hat.com>
> Reported-by: Jeff Moyer <jmoyer@...hat.com>
> Signed-off-by: Dan Williams <dan.j.williams@...el.com>

Acked-by: Jeff Moyer <jmoyer@...hat.com>

> ---
>  mm/Kconfig |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/Kconfig b/mm/Kconfig
> index 3e2daef3c946..d109a7a0c1c4 100644
> --- a/mm/Kconfig
> +++ b/mm/Kconfig
> @@ -673,7 +673,7 @@ config IDLE_PAGE_TRACKING
>  	  See Documentation/vm/idle_page_tracking.txt for more details.
>  
>  config ZONE_DEVICE
> -	bool "Device memory (pmem, etc...) hotplug support" if EXPERT
> +	bool "Device memory (pmem, etc...) hotplug support"
>  	depends on MEMORY_HOTPLUG
>  	depends on MEMORY_HOTREMOVE
>  	depends on SPARSEMEM_VMEMMAP