Pagemap was only using the vma flag PM_SOFT_DIRTY for hugetlb vmas.
This is insufficient. Check the individual pte entries.
Signed-off-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
---
fs/proc/task_mmu.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 602e3a52884d..829b35016aaa 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -1507,6 +1507,10 @@ static int pagemap_hugetlb_range(pte_t *ptep, unsigned long hmask,
flags |= PM_SOFT_DIRTY;
pte = huge_ptep_get(ptep);
+
+ if (huge_pte_soft_dirty(pte))
+ flags |= PM_SOFT_DIRTY;
+
if (pte_present(pte)) {
struct page *page = pte_page(pte);
--
2.29.2
