linux-kernel - Re: [PATCH 02/35] mm: support direct memory reservation

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Date:   Thu, 8 Oct 2020 13:27:19 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     yulei.kernel@...il.com, akpm@...ux-foundation.org,
        naoya.horiguchi@....com, viro@...iv.linux.org.uk,
        pbonzini@...hat.com
Cc:     linux-fsdevel@...r.kernel.org, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org, xiaoguangrong.eric@...il.com,
        kernellwp@...il.com, lihaiwei.kernel@...il.com,
        Yulei Zhang <yuleixzhang@...cent.com>,
        Xiao Guangrong <gloryxiao@...cent.com>
Subject: Re: [PATCH 02/35] mm: support direct memory reservation

On 10/8/20 12:53 AM, yulei.kernel@...il.com wrote:
> diff --git a/mm/Kconfig b/mm/Kconfig
> index 6c974888f86f..e1995da11cea 100644
> --- a/mm/Kconfig
> +++ b/mm/Kconfig
> @@ -226,6 +226,15 @@ config BALLOON_COMPACTION
>  	  scenario aforementioned and helps improving memory defragmentation.
>  
>  #
> +# support for direct memory basics
> +config DMEM
> +	bool "Direct Memory Reservation"
> +	def_bool n

Drop the def_bool line.

> +	depends on SPARSEMEM
> +	help
> +	  Allow reservation of memory which could be dedicated usage of dmem.

	                                             dedicated to the use of dmem.
or
	                              which could be for the dedicated use of dmem.

> +	  It's the basics of dmemfs.

	           basis


-- 
~Randy