From: Suren Baghdasaryan <surenb@google.com>
To: Vlastimil Babka <vbabka@suse.cz>
Cc: akpm@linux-foundation.org, peterz@infradead.org,
willy@infradead.org, liam.howlett@oracle.com,
lorenzo.stoakes@oracle.com, mhocko@suse.com, hannes@cmpxchg.org,
mjguzik@gmail.com, oliver.sang@intel.com,
mgorman@techsingularity.net, david@redhat.com,
peterx@redhat.com, oleg@redhat.com, dave@stgolabs.net,
paulmck@kernel.org, brauner@kernel.org, dhowells@redhat.com,
hdanton@sina.com, hughd@google.com, lokeshgidra@google.com,
minchan@google.com, jannh@google.com, shakeel.butt@linux.dev,
souravpanda@google.com, pasha.tatashin@soleen.com,
klarasmodin@gmail.com, richard.weiyang@gmail.com,
corbet@lwn.net, linux-doc@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, kernel-team@android.com
Subject: Re: [PATCH v8 00/16] move per-vma lock into vm_area_struct
Date: Fri, 10 Jan 2025 08:08:25 -0800 [thread overview]
Message-ID: <CAJuCfpG7CXMqCHTqY-RAeitsGS+j1r10rJM4bSiug3i6By+b-Q@mail.gmail.com> (raw)
In-Reply-To: <745d6935-3732-4639-a1d4-ead73d590597@suse.cz>
On Fri, Jan 10, 2025 at 7:35 AM Vlastimil Babka <vbabka@suse.cz> wrote:
>
>
>
> On 1/10/25 1:16 AM, Suren Baghdasaryan wrote:
> > On Thu, Jan 9, 2025 at 7:59 AM Suren Baghdasaryan <surenb@google.com> wrote:
> >>
> >> On Thu, Jan 9, 2025 at 5:40 AM Vlastimil Babka <vbabka@suse.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
Ok, I'll use that. Thanks!
>
> but yours is ok to, don't want to bikeshed
>
prev parent reply other threads:[~2025-01-10 16:08 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-09 2:30 Suren Baghdasaryan
2025-01-09 2:30 ` [PATCH v8 01/16] mm: introduce vma_start_read_locked{_nested} helpers Suren Baghdasaryan
2025-01-09 2:30 ` [PATCH v8 02/16] mm: move per-vma lock into vm_area_struct Suren Baghdasaryan
2025-01-09 2:30 ` [PATCH v8 03/16] mm: mark vma as detached until it's added into vma tree Suren Baghdasaryan
2025-01-09 2:30 ` [PATCH v8 04/16] mm: introduce vma_iter_store_attached() to use with attached vmas Suren Baghdasaryan
2025-01-09 14:01 ` Vlastimil Babka
2025-01-09 2:30 ` [PATCH v8 05/16] mm: mark vmas detached upon exit Suren Baghdasaryan
2025-01-09 2:30 ` [PATCH v8 06/16] types: move struct rcuwait into types.h Suren Baghdasaryan
2025-01-09 2:30 ` [PATCH v8 07/16] mm: allow vma_start_read_locked/vma_start_read_locked_nested to fail Suren Baghdasaryan
2025-01-09 2:30 ` [PATCH v8 08/16] mm: move mmap_init_lock() out of the header file Suren Baghdasaryan
2025-01-09 2:30 ` [PATCH v8 09/16] mm: uninline the main body of vma_start_write() Suren Baghdasaryan
2025-01-09 2:30 ` [PATCH v8 10/16] refcount: introduce __refcount_{add|inc}_not_zero_limited Suren Baghdasaryan
2025-01-09 14:42 ` Vlastimil Babka
2025-01-11 1:33 ` Suren Baghdasaryan
2025-01-09 2:30 ` [PATCH v8 11/16] mm: replace vm_lock and detached flag with a reference count Suren Baghdasaryan
2025-01-09 10:35 ` Hillf Danton
2025-01-09 16:01 ` Suren Baghdasaryan
2025-01-10 14:34 ` Vlastimil Babka
2025-01-10 15:56 ` Suren Baghdasaryan
2025-01-10 16:47 ` Suren Baghdasaryan
2025-01-10 16:50 ` Suren Baghdasaryan
2025-01-10 22:26 ` Vlastimil Babka
2025-01-10 22:37 ` Suren Baghdasaryan
2025-01-09 2:30 ` [PATCH v8 12/16] mm/debug: print vm_refcnt state when dumping the vma Suren Baghdasaryan
2025-01-09 2:30 ` [PATCH v8 13/16] mm: remove extra vma_numab_state_init() call Suren Baghdasaryan
2025-01-09 2:30 ` [PATCH v8 14/16] mm: prepare lock_vma_under_rcu() for vma reuse possibility Suren Baghdasaryan
2025-01-09 2:30 ` [PATCH v8 15/16] mm: make vma cache SLAB_TYPESAFE_BY_RCU Suren Baghdasaryan
2025-01-10 15:32 ` Vlastimil Babka
2025-01-10 16:07 ` Suren Baghdasaryan
2025-01-10 22:14 ` Vlastimil Babka
2025-01-11 3:37 ` Suren Baghdasaryan
2025-01-10 17:47 ` Liam R. Howlett
2025-01-10 19:07 ` Suren Baghdasaryan
2025-01-10 19:46 ` Liam R. Howlett
2025-01-10 20:34 ` Suren Baghdasaryan
2025-01-10 20:47 ` Liam R. Howlett
2025-01-10 21:32 ` Suren Baghdasaryan
2025-01-10 19:51 ` Liam R. Howlett
2025-01-10 20:40 ` Suren Baghdasaryan
2025-01-10 20:48 ` Liam R. Howlett
2025-01-09 2:30 ` [PATCH v8 16/16] docs/mm: document latest changes to vm_lock Suren Baghdasaryan
2025-01-09 2:32 ` [PATCH v8 00/16] move per-vma lock into vm_area_struct Suren Baghdasaryan
2025-01-09 11:51 ` Peter Zijlstra
2025-01-09 15:48 ` Suren Baghdasaryan
2025-01-10 17:01 ` Peter Zijlstra
2025-01-15 8:59 ` Peter Zijlstra
2025-01-09 13:41 ` Vlastimil Babka
2025-01-09 15:57 ` Suren Baghdasaryan
2025-01-10 0:14 ` Suren Baghdasaryan
2025-01-09 15:59 ` Suren Baghdasaryan
2025-01-10 0:16 ` Suren Baghdasaryan
2025-01-10 15:36 ` Vlastimil Babka
2025-01-10 16:08 ` Suren Baghdasaryan [this message]
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