Re: FAILED: patch "[PATCH] hugetlb: do not clear hugetlb dtor until allocating vmemmap" failed to apply to 5.15-stable tree

On 08/12/23 08:10, gregkh@linuxfoundation.org wrote:

The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to stable@vger.kernel.org.

Not really necessary in 5.15-stable. Why?

Reproducing the issue addressed by this patch depends on commit 161df60e9e89 which introduced support for tracking errors in subpages of a hugetlb page. This commit is not present in 5.15-stable.