From: "Kuan-Ying Lee (李冠穎)" <Kuan-Ying.Lee@mediatek.com>
To: "andreyknvl@gmail.com" <andreyknvl@gmail.com>,
"vbabka@suse.cz" <vbabka@suse.cz>
Cc: "andreyknvl@google.com" <andreyknvl@google.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"kasan-dev@googlegroups.com" <kasan-dev@googlegroups.com>,
"dvyukov@google.com" <dvyukov@google.com>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"Kuan-Ying Lee (李冠穎)" <Kuan-Ying.Lee@mediatek.com>,
"elver@google.com" <elver@google.com>,
"eugenis@google.com" <eugenis@google.com>,
"andrey.konovalov@linux.dev" <andrey.konovalov@linux.dev>,
"glider@google.com" <glider@google.com>
Subject: Re: [PATCH 00/15] stackdepot: allow evicting stack traces
Date: Tue, 5 Sep 2023 02:48:00 +0000 [thread overview]
Message-ID: <3a372d658246c5dd1ab1d95f4b601267b0fb154e.camel@mediatek.com> (raw)
In-Reply-To: <CA+fCnZdRkJTG0Z1t00YGuzH4AFAicGUVyxFc63djewRz0vj=pQ@mail.gmail.com>
On Mon, 2023-09-04 at 20:45 +0200, Andrey Konovalov wrote:
> On Wed, Aug 30, 2023 at 9:46 AM Vlastimil Babka <vbabka@suse.cz>
> wrote:
> >
> > I wonder if there's also another thing to consider for the future:
> >
> > 3. With the number of stackdepot users increasing, each having
> > their
> > distinct set of stacks from others, would it make sense to create
> > separate
> > "storage instance" for each user instead of putting everything in a
> > single
> > shared one?
>
> This shouldn't be hard to implement. However, do you see any
> particular use cases for this?
>
> One thing that comes to mind is that the users will then be able to
> create/destroy stack depot instances when required. But I don't know
> if any of the users need this: so far they all seem to require stack
> depot throughout the whole lifetime of the system.
>
Maybe we can use evition in page_owner and slub_debug
(SLAB_STORE_USER).
After we update page_owner->handle, we could evict the previous
handle?
> > In any case, evicting support is a good development, thanks!
>
> Thank you!
>
next prev parent reply other threads:[~2023-09-05 2:48 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-29 17:11 andrey.konovalov
2023-08-29 17:11 ` [PATCH 01/15] stackdepot: check disabled flag when fetching andrey.konovalov
2023-08-30 7:40 ` Alexander Potapenko
2023-08-29 17:11 ` [PATCH 02/15] stackdepot: simplify __stack_depot_save andrey.konovalov
2023-08-30 7:41 ` Alexander Potapenko
2023-08-29 17:11 ` [PATCH 03/15] stackdepot: drop valid bit from handles andrey.konovalov
2023-08-30 7:43 ` Alexander Potapenko
2023-08-29 17:11 ` [PATCH 04/15] stackdepot: add depot_fetch_stack helper andrey.konovalov
2023-08-30 7:47 ` Alexander Potapenko
2023-08-29 17:11 ` [PATCH 05/15] stackdepot: use fixed-sized slots for stack records andrey.konovalov
2023-08-30 8:21 ` Alexander Potapenko
2023-09-13 17:07 ` Andrey Konovalov
2023-09-15 10:36 ` Alexander Potapenko
2023-08-29 17:11 ` [PATCH 06/15] stackdepot: fix and clean-up atomic annotations andrey.konovalov
2023-08-30 8:34 ` Marco Elver
2023-09-04 18:45 ` Andrey Konovalov
2023-08-29 17:11 ` [PATCH 07/15] stackdepot: rework helpers for depot_alloc_stack andrey.konovalov
2023-08-29 17:11 ` [PATCH 08/15] stackdepot: rename next_pool_required to new_pool_required andrey.konovalov
2023-08-30 8:29 ` Alexander Potapenko
2023-08-29 17:11 ` [PATCH 09/15] stackdepot: store next pool pointer in new_pool andrey.konovalov
2023-08-29 17:11 ` [PATCH 10/15] stackdepot: store free stack records in a freelist andrey.konovalov
2023-08-29 17:11 ` [PATCH 11/15] stackdepot: use read/write lock andrey.konovalov
2023-08-30 9:13 ` Marco Elver
2023-09-04 18:46 ` Andrey Konovalov
2023-09-05 16:19 ` Marco Elver
2023-09-13 17:08 ` Andrey Konovalov
2024-01-02 12:59 ` Marco Elver
2024-01-09 3:27 ` Andrey Konovalov
2023-08-29 17:11 ` [PATCH 12/15] stackdepot: add refcount for records andrey.konovalov
2023-08-30 9:32 ` Marco Elver
2023-09-04 18:46 ` Andrey Konovalov
2023-09-04 18:55 ` Marco Elver
2023-09-13 17:07 ` Andrey Konovalov
2023-09-01 13:06 ` Kuan-Ying Lee (李冠穎)
2023-09-04 18:46 ` Andrey Konovalov
2023-08-29 17:11 ` [PATCH 13/15] stackdepot: add backwards links to hash table buckets andrey.konovalov
2023-08-30 9:24 ` Marco Elver
2023-09-13 17:07 ` Andrey Konovalov
2023-08-29 17:11 ` [PATCH 14/15] stackdepot: allow users to evict stack traces andrey.konovalov
2023-08-30 9:20 ` Marco Elver
2023-09-04 18:47 ` Andrey Konovalov
2023-08-29 17:11 ` [PATCH 15/15] kasan: use stack_depot_evict for tag-based modes andrey.konovalov
2023-08-30 9:38 ` Marco Elver
2023-09-04 18:48 ` Andrey Konovalov
2023-09-04 18:58 ` Marco Elver
2023-09-13 17:08 ` Andrey Konovalov
2023-08-30 7:46 ` [PATCH 00/15] stackdepot: allow evicting stack traces Vlastimil Babka
2023-09-04 18:45 ` Andrey Konovalov
2023-09-05 2:48 ` Kuan-Ying Lee (李冠穎) [this message]
2023-09-13 17:10 ` Andrey Konovalov
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