[PATCH v4 1/7] kernel/fork: convert vma assignment to a memcpy

[Suren Baghdasaryan]

Convert vma assignment in vm_area_dup() to a memcpy() to prevent compiler
errors when we add a const modifier to vma->vm_flags.

Signed-off-by: Suren Baghdasaryan <sur...@google.com>
Acked-by: Mel Gorman <mgor...@techsingularity.net>
---
 kernel/fork.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/fork.c b/kernel/fork.c
index 441dcec60aae..9260f975b8f4 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -472,7 +472,7 @@ struct vm_area_struct *vm_area_dup(struct vm_area_struct 
*orig)
                 * orig->shared.rb may be modified concurrently, but the clone
                 * will be reinitialized.
                 */
-               *new = data_race(*orig);
+               data_race(memcpy(new, orig, sizeof(*new)));
                INIT_LIST_HEAD(&new->anon_vma_chain);
                dup_anon_vma_name(orig, new);
        }
-- 
2.39.1