On Thu, 14 Aug 2025 14:11:45 +0200 Alexandre Ghiti <a...@ghiti.fr> wrote:
> > for (i = 0; i < nr; i++) > > - __page_table_check_pud_clear(mm, *(pudp + i)); > > + __page_table_check_pud_clear(mm, addr + PUD_SIZE * i, *(pudp + > > i)); > > if (pud_user_accessible_page(pud)) > > page_table_check_set(pud_pfn(pud), stride * nr, pud_write(pud)); > > } > > > So this made me realize we (riscv) did not implement > pudp_huge_get_and_clear(), which was a mistake since we support THP PUD. > I have implemented this function in this patch > https://lore.kernel.org/all/20250814-dev-alex-thp_pud_xchg-v1-1-b4704dfae...@rivosinc.com/T/#u > > That's a fix so I'll merge it in 6.17 (at least I'll try) so your > patchset will break the build on riscv, I'll keep you posted when it > gets merged! Thanks, I'll temporarily grab a copy of your "riscv: use an atomic xchg in pudp_huge_get_and_clear()" to keep mm.git compilable and testable.