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Message-ID: <f515279e-235e-4396-9c91-cbf67083001f@oracle.com>
Date: Sat, 25 Jan 2025 12:05:47 -0800
From: Anthony Yznaga <anthony.yznaga@...cle.com>
To: Randy Dunlap <rdunlap@...radead.org>, 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, ebiederm@...ssion.com, catalin.marinas@....com,
        mingo@...hat.com, 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, rostedt@...dmis.org,
        vasily.averin@...ux.dev, xhao@...ux.alibaba.com, pcc@...gle.com,
        neilb@...e.de, maz@...nel.org
Subject: Re: [PATCH 01/20] mm: Add msharefs filesystem


On 1/24/25 7:13 PM, Randy Dunlap wrote:
> 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.


Thanks, Randy. Appreciate the comments.


Anthony


>
>>   
>>   source "mm/damon/Kconfig"

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