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-rw-r--r--mm/process_vm_access.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/mm/process_vm_access.c b/mm/process_vm_access.c
index 8505c9262b35..f32b1fbbfe69 100644
--- a/mm/process_vm_access.c
+++ b/mm/process_vm_access.c
@@ -46,11 +46,7 @@ static int process_vm_rw_pages(struct page **pages,
copy = len;
if (vm_write) {
- if (copy > iov_iter_count(iter))
- copy = iov_iter_count(iter);
- copied = iov_iter_copy_from_user(page, iter,
- offset, copy);
- iov_iter_advance(iter, copied);
+ copied = copy_page_from_iter(page, offset, copy, iter);
set_page_dirty_lock(page);
} else {
copied = copy_page_to_iter(page, offset, copy, iter);