Re: [PATCH 6.1.y] selftests/vm: fix split huge page tests

[Greg KH <gregkh@linuxfoundation.org>]

On Wed, May 28, 2025 at 04:54:40PM +0800, wndgwang4 wrote:
> From: Zi Yan <ziy@nvidia.com>
> 
> [ upstream commit dd63bd7df41a8f9393a2e3ff9157a441c08eb996  ]
> 
> Fix two inputs to check_anon_huge() and one if condition, so the tests
> work as expected.
> 
> Steps to reproduce the issue.
> make headers
> make -C tools/testing/selftests/vm
> 
> Before patching:test fails with a non-zero exit code
> ~/linux$ sudo tools/testing/selftests/vm/split_huge_page_test | echo 0
> 2
> ~/linux$ sudo tools/testing/selftests/vm/split_huge_page_test
> No THP is allocated
> 
> After patching:
> ~/linux$ sudo tools/testing/selftests/vm/split_huge_page_test | echo 0
> 0
> ~/linux$ sudo tools/testing/selftests/vm/split_huge_page_test
> Split huge pages successful
> ...
> 
> Link: https://lkml.kernel.org/r/20230306160907.16804-1-zi.yan@sent.com
> Fixes: c07c343cda8e ("selftests/vm: dedup THP helpers")
> Cc: stable@vger.kernel.org
> Signed-off-by: Zi Yan <ziy@nvidia.com>
> Reviewed-by: Zach O'Keefe <zokeefe@google.com>
> Tested-by: Zach O'Keefe <zokeefe@google.com>
> Acked-by: David Hildenbrand <david@redhat.com>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
> Signed-off-by: wndgwang4 <guangming.wang@windriver.com>

We need a real name for a signed-off-by line, you all know this :(