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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. > > > Fixes: 4dfd4bba8578 ("selftests/mm/uffd: refactor non-composite global vars into struct") > > Signed-off-by: Carlos Llamas > > --- > > Acked-by: David Hildenbrand (Red Hat) LGTM so also: Reviewed-by: Lorenzo Stoakes > > -- > Cheers > > David Cheers, Lorenzo