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-rw-r--r--mm/internal.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/internal.h b/mm/internal.h
index f91688e2894fbc..2c0d9f197d8111 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -1604,6 +1604,9 @@ static inline void accept_page(struct page *page)
int walk_page_range_mm(struct mm_struct *mm, unsigned long start,
unsigned long end, const struct mm_walk_ops *ops,
void *private);
+int walk_page_range_debug(struct mm_struct *mm, unsigned long start,
+ unsigned long end, const struct mm_walk_ops *ops,
+ pgd_t *pgd, void *private);
/* pt_reclaim.c */
bool try_get_and_clear_pmd(struct mm_struct *mm, pmd_t *pmd, pmd_t *pmdval);