The quilt patch titled Subject: list: test: increase coverage of list_test_list_replace*() has been removed from the -mm tree. Its filename was list-test-increasing-coverage-of-list_test_list_replace.patch This patch was dropped because it was merged into the mm-nonmm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: I Hsin Cheng <richard120310@xxxxxxxxx> Subject: list: test: increase coverage of list_test_list_replace*() Date: Tue, 10 Sep 2024 12:08:18 +0800 Increase the test coverage of list_test_list_replace*() by adding the checks to compare the pointer of "a_new.next" and "a_new.prev" to make sure a perfect circular doubly linked list is formed after the replacement. Link: https://lkml.kernel.org/r/20240910040818.65723-1-richard120310@xxxxxxxxx Signed-off-by: I Hsin Cheng <richard120310@xxxxxxxxx> Cc: David Gow <davidgow@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- lib/list-test.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/lib/list-test.c~list-test-increasing-coverage-of-list_test_list_replace +++ a/lib/list-test.c @@ -102,6 +102,8 @@ static void list_test_list_replace(struc /* now: [list] -> a_new -> b */ KUNIT_EXPECT_PTR_EQ(test, list.next, &a_new); KUNIT_EXPECT_PTR_EQ(test, b.prev, &a_new); + KUNIT_EXPECT_PTR_EQ(test, a_new.next, &b); + KUNIT_EXPECT_PTR_EQ(test, a_new.prev, &list); } static void list_test_list_replace_init(struct kunit *test) @@ -118,6 +120,8 @@ static void list_test_list_replace_init( /* now: [list] -> a_new -> b */ KUNIT_EXPECT_PTR_EQ(test, list.next, &a_new); KUNIT_EXPECT_PTR_EQ(test, b.prev, &a_new); + KUNIT_EXPECT_PTR_EQ(test, a_new.next, &b); + KUNIT_EXPECT_PTR_EQ(test, a_new.prev, &list); /* check a_old is empty (initialized) */ KUNIT_EXPECT_TRUE(test, list_empty_careful(&a_old)); _ Patches currently in -mm which might be from richard120310@xxxxxxxxx are