Messages in this thread Patch in this message | | | Date | Thu, 26 Jan 2023 11:37:46 -0800 | Subject | [PATCH v4 1/7] kernel/fork: convert vma assignment to a memcpy | From | Suren Baghdasaryan <> |
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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@google.com> Acked-by: Mel Gorman <mgorman@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
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