diff options
| -rw-r--r-- | mm/internal.h | 14 | ||||
| -rw-r--r-- | mm/mseal.c | 21 |
2 files changed, 0 insertions, 35 deletions
diff --git a/mm/internal.h b/mm/internal.h index 241cf46a19f5..82fb9f1b0cd4 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -1359,25 +1359,11 @@ static inline int can_do_mseal(unsigned long flags) return 0; } -bool can_modify_mm(struct mm_struct *mm, unsigned long start, - unsigned long end); #else static inline int can_do_mseal(unsigned long flags) { return -EPERM; } - -static inline bool can_modify_mm(struct mm_struct *mm, unsigned long start, - unsigned long end) -{ - return true; -} - -static inline bool can_modify_mm_madv(struct mm_struct *mm, unsigned long start, - unsigned long end, int behavior) -{ - return true; -} #endif #ifdef CONFIG_SHRINKER_DEBUG diff --git a/mm/mseal.c b/mm/mseal.c index fdd1666344fa..28cd17d7aaf2 100644 --- a/mm/mseal.c +++ b/mm/mseal.c @@ -54,27 +54,6 @@ static bool is_ro_anon(struct vm_area_struct *vma) } /* - * Check if the vmas of a memory range are allowed to be modified. - * the memory ranger can have a gap (unallocated memory). - * return true, if it is allowed. - */ -bool can_modify_mm(struct mm_struct *mm, unsigned long start, unsigned long end) -{ - struct vm_area_struct *vma; - - VMA_ITERATOR(vmi, mm, start); - - /* going through each vma to check. */ - for_each_vma_range(vmi, vma, end) { - if (unlikely(!can_modify_vma(vma))) - return false; - } - - /* Allow by default. */ - return true; -} - -/* * Check if a vma is allowed to be modified by madvise. */ bool can_modify_vma_madv(struct vm_area_struct *vma, int behavior) |