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-rw-r--r--include/linux/mm.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 27b34f7730e7..0ed0cb2401f5 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -642,6 +642,13 @@ static inline void vm_flags_reset(struct vm_area_struct *vma,
vm_flags_init(vma, flags);
}
+static inline void vm_flags_reset_once(struct vm_area_struct *vma,
+ vm_flags_t flags)
+{
+ mmap_assert_write_locked(vma->vm_mm);
+ WRITE_ONCE(ACCESS_PRIVATE(vma, __vm_flags), flags);
+}
+
static inline void vm_flags_set(struct vm_area_struct *vma,
vm_flags_t flags)
{