From: Khalid Aziz <khalid.aziz@xxxxxxxxxx> Date: Wed, 9 Aug 2017 15:25:55 -0600 > @@ -1399,6 +1399,12 @@ static bool try_to_unmap_one(struct page *page, struct vm_area_struct *vma, > (flags & TTU_MIGRATION)) { > swp_entry_t entry; > pte_t swp_pte; > + > + if (arch_unmap_one(mm, vma, address, pteval) < 0) { > + set_pte_at(mm, address, pvmw.pte, pteval); > + ret = false; > + page_vma_mapped_walk_done(&pvmw); > + break; > /* > * Store the pfn of the page in a special migration > * pte. do_swap_page() will wait until the migration > @@ -1410,6 +1416,7 @@ static bool try_to_unmap_one(struct page *page, struct vm_area_struct *vma, > if (pte_soft_dirty(pteval)) > swp_pte = pte_swp_mksoft_dirty(swp_pte); > set_pte_at(mm, address, pvmw.pte, swp_pte); > + } This basic block doesn't look right. I think the new closing brace is intended to be right after the new break; statement. If not at the very least the indentation of the existing code in there needs to be adjusted.