mm/mprotect: fix obsolete function name in change_pte_range()

Since commit 79a1971c5f14 ("mm: move the copy_one_pte() pte_present check
into the caller"), the explanation of preserving soft-dirtiness is moved
into copy_nonpresent_pte().  Update corresponding comment.

Link: https://lkml.kernel.org/r/20230723033114.3224409-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/mprotect.c b/mm/mprotect.c
index 5c3112d..3f36c88 100644 (file)
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -213,7 +213,7 @@ static long change_pte_range(struct mmu_gather *tlb,
                        } else if (is_writable_device_private_entry(entry)) {
                                /*
                                 * We do not preserve soft-dirtiness. See
-                                * copy_one_pte() for explanation.
+                                * copy_nonpresent_pte() for explanation.
                                 */
                                entry = make_readable_device_private_entry(
                                                        swp_offset(entry));