linux-kernel - Re: [RFC PATCH v5 6/8] drivers: vmware: balloon

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Message-ID: <2ae8251a-456d-abdd-ed1a-1bfc04356741@virtuozzo.com>
Date:   Wed, 19 Oct 2022 13:38:13 +0300
From:   Alexander Atanasov <alexander.atanasov@...tuozzo.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Nadav Amit <namit@...are.com>,
        VMware PV-Drivers Reviewers <pv-drivers@...are.com>,
        Arnd Bergmann <arnd@...db.de>, kernel@...nvz.org,
        linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v5 6/8] drivers: vmware: balloon - report inflated
 memory

On 19.10.22 13:26, Greg Kroah-Hartman wrote:
> On Wed, Oct 19, 2022 at 12:56:18PM +0300, Alexander Atanasov wrote:
>> Update the inflated memory in the mm core on change.
> 
> That says what this does, but not why it is needed.
> 
> Please expand on this.
> 
> Also, is this actually fixing a bug?  Is it a new feature?  Something
> else?

The whole series is about adding a new feature - providing access to the 
balloon inflated memory amount - it's in the cover letter. Should I 
repeat it for every driver that implements it?

I've organized it classically:
- prepare
- add infra
- use the infra

What can I improve here?

-- 
Regards,
Alexander Atanasov