From: Palmer Dabbelt <palmer@dabbelt.com>
To: alex@ghiti.fr
Cc: osalvador@suse.de, akpm@linux-foundation.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
mhocko@suse.com, vbabka@suse.cz, elver@google.com,
andreyknvl@gmail.com, glider@google.com
Subject: Re: [PATCH v3 0/3] page_owner: Fix refcount imbalance
Date: Thu, 04 Apr 2024 15:56:43 -0700 (PDT) [thread overview]
Message-ID: <mhng-4caed5c9-bc46-42fe-90d4-9d845376578f@palmer-ri-x1c9a> (raw)
In-Reply-To: <e0110a0a-9bde-4e83-8e2a-2631e1bad0cf@ghiti.fr>
On Thu, 28 Mar 2024 23:39:33 PDT (-0700), alex@ghiti.fr wrote:
> Hi Oscar,
>
> On 26/03/2024 07:30, Oscar Salvador wrote:
>> This series consists of a refactoring/correctness of updating the metadata
>> of tail pages and a couple of fixups for the refcounting part.
>>
>> From this series on, instead of counting the stacks, we count the outstanding
>> nr_base_pages each stack has, which gives us a much better memory overview.
>> The other fixup is for the migration part.
>>
>> A more detailed explanation can be found in the changelog of the respective
>> patches.
>>
>> Oscar Salvador (3):
>> mm,page_owner: Update metada for tail pages
>> mm,page_owner: Fix refcount imbalance
>> mm,page_owner: Fix accounting of pages when migrating
>>
>> Documentation/mm/page_owner.rst | 73 +++++++------
>> mm/page_owner.c | 184 +++++++++++++++++++-------------
>> 2 files changed, 146 insertions(+), 111 deletions(-)
>>
>
> This fixes the following report from syzbot:
> https://lore.kernel.org/linux-riscv/00000000000070a2660614b83885@google.com/T/#t
>
> So you can add:
>
> Tested-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
in case that helps any, but I think this is one for the MM folks Thanks
for chasing down the fix!
> Thanks,
>
> Alex
prev parent reply other threads:[~2024-04-04 22:56 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-26 6:30 [PATCH v3 0/3] page_owner: Fix refcount imbalance Oscar Salvador
2024-03-26 6:30 ` [PATCH v3 1/3] mm,page_owner: Update metada for tail pages Oscar Salvador
2024-04-02 10:13 ` Vlastimil Babka
2024-04-02 11:19 ` Oscar Salvador
2024-03-26 6:30 ` [PATCH v3 2/3] mm,page_owner: Fix refcount imbalance Oscar Salvador
2024-03-26 6:30 ` [PATCH v3 3/3] mm,page_owner: Fix accounting of pages when migrating Oscar Salvador
2024-04-02 10:26 ` Vlastimil Babka
2024-04-02 11:22 ` Oscar Salvador
2024-04-02 12:39 ` Vlastimil Babka
2024-03-29 4:54 ` [PATCH v3 0/3] page_owner: Fix refcount imbalance Kefeng Wang
2024-04-02 14:20 ` Oscar Salvador
2024-04-03 3:19 ` Kefeng Wang
2024-03-29 6:39 ` Alexandre Ghiti
2024-04-04 22:56 ` Palmer Dabbelt [this message]
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