diff options
| -rw-r--r-- | include/linux/rmap.h | 5 | ||||
| -rw-r--r-- | mm/page_vma_mapped.c | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/rmap.h b/include/linux/rmap.h index e8aff6d2deda..daa92a58585d 100644 --- a/include/linux/rmap.h +++ b/include/linux/rmap.h @@ -922,6 +922,11 @@ struct page *make_device_exclusive(struct mm_struct *mm, unsigned long addr, /* Look for migration entries rather than present PTEs */ #define PVMW_MIGRATION (1 << 1) +/* Result flags */ + +/* The page is mapped across page table boundary */ +#define PVMW_PGTABLE_CROSSED (1 << 16) + struct page_vma_mapped_walk { unsigned long pfn; unsigned long nr_pages; diff --git a/mm/page_vma_mapped.c b/mm/page_vma_mapped.c index e981a1a292d2..c498a91b6706 100644 --- a/mm/page_vma_mapped.c +++ b/mm/page_vma_mapped.c @@ -309,6 +309,7 @@ next_pte: } pte_unmap(pvmw->pte); pvmw->pte = NULL; + pvmw->flags |= PVMW_PGTABLE_CROSSED; goto restart; } pvmw->pte++; |