Messages in this thread Patch in this message | | | Date | Thu, 15 Feb 2024 10:27:55 -0800 | Subject | [PATCH v7 3/4] mm: add vma_assert_locked() for !CONFIG_PER_VMA_LOCK | From | Lokesh Gidra <> |
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vma_assert_locked() is needed to replace mmap_assert_locked() once we start using per-vma locks in userfaultfd operations.
In !CONFIG_PER_VMA_LOCK case when mm is locked, it implies that the given VMA is locked.
Signed-off-by: Lokesh Gidra <lokeshgidra@google.com> --- include/linux/mm.h | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/include/linux/mm.h b/include/linux/mm.h index 3c85634b186c..5ece3ad34ef8 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -781,6 +781,11 @@ static inline struct vm_area_struct *lock_vma_under_rcu(struct mm_struct *mm, return NULL; } +static inline void vma_assert_locked(struct vm_area_struct *vma) +{ + mmap_assert_locked(vma->vm_mm); +} + static inline void release_fault_lock(struct vm_fault *vmf) { mmap_read_unlock(vmf->vma->vm_mm); -- 2.43.0.687.g38aa6559b0-goog
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