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From: Saikrishna Arcot <saiarcot895@gmail.com>
To: "Holger Hoffstätte" <holger@applied-asynchrony.com>,
	linux-btrfs@vger.kernel.org
Subject: Re: Memory not shared for files opened from different subvolumes
Date: Fri, 24 Jun 2022 10:54:10 -0700	[thread overview]
Message-ID: <9a185ec5-45e2-3c7a-5e56-3c45e413834c@saikrishna-Lemur> (raw)
In-Reply-To: <c0de2bb7-0a4a-4ab1-ad6b-9a435bf6802c@applied-asynchrony.com>

On 6/24/22 09:03, Holger Hoffstätte wrote:
> On 2022-06-23 23:36, Saikrishna Arcot wrote:
> 
> [snip]
> 
>> My question is, is it possible to share the physical pages for the
>> same file from two different mount points being opened? This would
>> reduce the physical memory used in larger cases.
> 
> Not an immediate solution but more background info on the problem and
> some ongoing research: https://lwn.net/Articles/895907/
> Hope this helps.
> 
> -h

Thanks, that's extremely helpful! I was primarily wondering if this was 
being looked at, and I'm glad to see there's some work being done.

-- 
Saikrishna Arcot

      reply	other threads:[~2022-06-24 17:54 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-23 21:36 Memory not shared for files opened from different subvolumes Saikrishna Arcot
2022-06-24 16:03 ` Holger Hoffstätte
2022-06-24 17:54   ` Saikrishna Arcot [this message]

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