The compiler complains about the conversion of a pointer to an int of different width. Fixes: 6f1405efc61b ("selftests/vm: anon_cow: add R/O longterm tests via gup_test") Signed-off-by: David Hildenbrand <david@xxxxxxxxxx> --- tools/testing/selftests/vm/cow.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/vm/cow.c b/tools/testing/selftests/vm/cow.c index 73e05b52c49e..26f6ea3079e2 100644 --- a/tools/testing/selftests/vm/cow.c +++ b/tools/testing/selftests/vm/cow.c @@ -650,7 +650,7 @@ static void do_test_ro_pin(char *mem, size_t size, enum ro_pin_test test, } /* Take a R/O pin. This should trigger unsharing. */ - args.addr = (__u64)mem; + args.addr = (__u64)(uintptr_t)mem; args.size = size; args.flags = fast ? PIN_LONGTERM_TEST_FLAG_USE_FAST : 0; ret = ioctl(gup_fd, PIN_LONGTERM_TEST_START, &args); @@ -669,7 +669,7 @@ static void do_test_ro_pin(char *mem, size_t size, enum ro_pin_test test, * Read back the content via the pin to the temporary buffer and * test if we observed the modification. */ - tmp_val = (__u64)tmp; + tmp_val = (__u64)(uintptr_t)tmp; ret = ioctl(gup_fd, PIN_LONGTERM_TEST_READ, &tmp_val); if (ret) ksft_test_result_fail("PIN_LONGTERM_TEST_READ failed\n"); -- 2.38.1