linux-kernel - Re: [PATCH v8 00/16] move per-vma lock into vm_area

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Message-ID: <745d6935-3732-4639-a1d4-ead73d590597@suse.cz>
Date: Fri, 10 Jan 2025 16:36:34 +0100
From: Vlastimil Babka <vbabka@...e.cz>
To: Suren Baghdasaryan <surenb@...gle.com>
Cc: akpm@...ux-foundation.org, peterz@...radead.org, willy@...radead.org,
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Subject: Re: [PATCH v8 00/16] move per-vma lock into vm_area_struct



On 1/10/25 1:16 AM, Suren Baghdasaryan wrote:
> On Thu, Jan 9, 2025 at 7:59 AM Suren Baghdasaryan <surenb@...gle.com> wrote:
>>
>> On Thu, Jan 9, 2025 at 5:40 AM Vlastimil Babka <vbabka@...e.cz> wrote:
>>>
>>> Btw the subject became rather incomplete given all the series does :)
>>
>> Missed this one. What do you think is worth mentioning here? It's
>> true, the patchset does many small things but I wanted to outline the
>> main conceptual changes. Please LMK if you think there are more
>> changes big enough to be mentioned here.
> 
> I just realized that your comment was only about the subject of this
> cover letter. Maybe something like this:
> 
> per-vma lock and vm_area_struct cache optimizations

arguably the biggest change here is:

reimplement per-vma lock as a refcount

but yours is ok to, don't want to bikeshed