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SubjectRe: [PATCH v4 0/4] page_owner: Fix refcount imbalance and print fixup
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On 2024/4/4 15:06, Oscar Salvador wrote:
> This series consists of a refactoring/correctness of updating the metadata
> of tail pages, a couple of fixups for the refcounting part and a fixup for
> the stack_start() function.
>
>>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.

I think this also should be merged into 6.9-rc1 asap, it is easy to
occur when migration.

Tested-by: Kefeng Wang <wangkefeng.wang@huawei.com>

>
> v3 -> v4:
> - Fix some typos remarked by Vlastimil
> - Add Reviewed-by tag from Vlastimil and Tested-by tag from Alexandre Ghiti
> (closed a syzbot report for RISC)
>
> Oscar Salvador (4):
> mm,page_owner: Update metadata for tail pages
> mm,page_owner: Fix refcount imbalance
> mm,page_owner: Fix accounting of pages when migrating
> mm,page_owner: Fix printing of stack records
>
> Documentation/mm/page_owner.rst | 73 +++++++------
> mm/page_owner.c | 188 ++++++++++++++++++--------------
> 2 files changed, 147 insertions(+), 114 deletions(-)
>

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