diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/huge_mm.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index 1ac0d06fb3c1..29ef70022da1 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -501,6 +501,8 @@ extern unsigned long huge_zero_pfn; static inline bool is_huge_zero_folio(const struct folio *folio) { + VM_WARN_ON_ONCE(!folio); + return READ_ONCE(huge_zero_folio) == folio; } |