On Fri, 28 Jun 2024 11:46:11 +0100
Vincent Donnefort wrote:
> diff --git a/tools/testing/selftests/ring-buffer/map_test.c
> b/tools/testing/selftests/ring-buffer/map_test.c
> index a9006fa7097e..4bb0192e43f3 100644
> --- a/tools/testing/selftests/ring-buffer/map_test.c
> +++ b/tools/testing/self
On Fri, 28 Jun 2024 11:46:11 +0100
Vincent Donnefort wrote:
> This is based on the mm-unstable branch [1] as it depends on David's work [2]
> for allowing the zero-page in vm_insert_page().
>
> [1] https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git
> [2] https://lore.kernel.org/all/2024
Previously, the mapped ring-buffer layout caused misalignment between
the meta-page and sub-buffers when the sub-buffer size was not a
multiple of PAGE_SIZE. This prevented hardware with larger TLB entries
from utilizing them effectively.
Add a padding with the zero-page between the meta-page and
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