On Thu, Jan 26, 2023 at 11:37:46AM -0800, Suren Baghdasaryan wrote: > 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 <surenb@xxxxxxxxxx> > Acked-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> Acked-by: Mike Rapoport (IBM) <rppt@xxxxxxxxxx> > --- > 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 > -- Sincerely yours, Mike.
