diff options
| author | Suren Baghdasaryan <surenb@google.com> | 2023-08-04 18:27:20 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-08-21 23:37:45 +0300 |
| commit | ce2fc5fffdfa9fc1412aff108afa102ddf82fd2b (patch) | |
| tree | e226c4106bfee10c31cf1e1362a4b57976dc6f31 | |
| parent | 6c1aa2d37f7677609c74a4ff120f99a07b90ba08 (diff) | |
| download | linux-ce2fc5fffdfa9fc1412aff108afa102ddf82fd2b.tar.xz | |
mm: for !CONFIG_PER_VMA_LOCK equate write lock assertion for vma and mmap
When CONFIG_PER_VMA_LOCK=n, vma_assert_write_locked() should be equivalent
to mmap_assert_write_locked().
Link: https://lkml.kernel.org/r/20230804152724.3090321-3-surenb@google.com
Suggested-by: Jann Horn <jannh@google.com>
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: Linus Torvalds <torvalds@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | include/linux/mm.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index f64d1de3af09..49eafc62b4e6 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -738,7 +738,8 @@ static inline bool vma_start_read(struct vm_area_struct *vma) { return false; } static inline void vma_end_read(struct vm_area_struct *vma) {} static inline void vma_start_write(struct vm_area_struct *vma) {} -static inline void vma_assert_write_locked(struct vm_area_struct *vma) {} +static inline void vma_assert_write_locked(struct vm_area_struct *vma) + { mmap_assert_write_locked(vma->vm_mm); } static inline void vma_mark_detached(struct vm_area_struct *vma, bool detached) {} |