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Thu, Nov 13, 2025 at 09:54:37AM +0000, Lorenzo Stoakes wrote: > > On Thu, Nov 13, 2025 at 10:06:42AM +0100, David Hildenbrand (Red Hat) wrote: > > > On 13.11.25 04:46, Carlos Llamas wrote: > > > > Commit 4dfd4bba8578 ("selftests/mm/uffd: refactor non-composite global > > > > vars into struct") moved some of the operations previously implemented > > > > in uffd_setup_environment() earlier in the main test loop. > > > > > > > > The calculation of nr_pages, which involves a division by page_size, now > > > > occurs before checking that default_huge_page_size() returns a non-zero > > > > This leads to a division-by-zero error on systems with !CONFIG_HUGETLB. > > > > > > > > Fix this by relocating the non-zero page_size check before the nr_pages > > > > calculation, as it was originally implemented. > > > > > > > > Cc: stable@vger.kernel.org > > > > > > Do we CC stable on unit tests? From my recollection, no. > > > > Yeah please let's not. > > Oops, I keep getting confused about this Cc stable thing. Please let me > know if a v2 dropping the tag is needed. No need, Andrew should spot the objection and drop the tag :) > > -- > Carlos Llamas Cheers, Lorenzo