linux-kernel - Re: [PATCH 01/20] mm: Add msharefs filesystem

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Message-ID: <879e64a0-f097-4bde-ae31-25a1adc30d5f@infradead.org>
Date: Fri, 24 Jan 2025 19:13:45 -0800
From: Randy Dunlap <rdunlap@...radead.org>
To: Anthony Yznaga <anthony.yznaga@...cle.com>, akpm@...ux-foundation.org,
 willy@...radead.org, markhemm@...glemail.com, viro@...iv.linux.org.uk,
 david@...hat.com, khalid@...nel.org
Cc: jthoughton@...gle.com, corbet@....net, dave.hansen@...el.com,
 kirill@...temov.name, luto@...nel.org, brauner@...nel.org, arnd@...db.de,
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 peterz@...radead.org, liam.howlett@...cle.com, lorenzo.stoakes@...cle.com,
 vbabka@...e.cz, jannh@...gle.com, hannes@...xchg.org, mhocko@...nel.org,
 roman.gushchin@...ux.dev, shakeel.butt@...ux.dev, muchun.song@...ux.dev,
 tglx@...utronix.de, cgroups@...r.kernel.org, x86@...nel.org,
 linux-doc@...r.kernel.org, linux-arch@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-mm@...ck.org, mhiramat@...nel.org,
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Subject: Re: [PATCH 01/20] mm: Add msharefs filesystem

Just nits:


On 1/24/25 3:54 PM, Anthony Yznaga wrote:
> diff --git a/mm/Kconfig b/mm/Kconfig
> index 1b501db06417..ba3dbe31f86a 100644
> --- a/mm/Kconfig
> +++ b/mm/Kconfig
> @@ -1358,6 +1358,15 @@ config PT_RECLAIM
>  
>  	  Note: now only empty user PTE page table pages will be reclaimed.
>  
> +config MSHARE
> +	bool "Mshare"
> +	depends on MMU
> +	help
> +	  Enable msharefs: A ram-based filesystem that allows multiple

	                     RAM-based

> +	  processes to share page table entries for shared pages. A file
> +	  created on msharefs represents a shared region where all processes
> +	  mapping that region will map objects within it with shared PTEs.
> +	  Ioctls are used to configure and map objects into the shared region

End the sentence above with a period.

>  
>  source "mm/damon/Kconfig"

-- 
~Randy