On 03.06.25 23:16, David Hildenbrand wrote:
Based on Linus' master.
While working on improving vm_normal_page() and friends, I stumbled
over this issues: refcounted "normal" pages must not be marked
using pmd_special() / pud_special().
Fortunately, so far there doesn't seem to be serious damage.
This is only compile-tested so far. Still looking for an easy way to test
PMD/PUD mappings with DAX. Any tests I can easily run?
... aaaand I should have waited for the cross compiles.
s390x and loongarch are not happy about pud_mkhuge() and pfn_pud().
Need to fence folio_mk_pud() by CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD.
--
Cheers,
David / dhildenb
