diff options
Diffstat (limited to 'tools/testing/selftests/mm/pagemap_ioctl.c')
| -rw-r--r-- | tools/testing/selftests/mm/pagemap_ioctl.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/tools/testing/selftests/mm/pagemap_ioctl.c b/tools/testing/selftests/mm/pagemap_ioctl.c index c2dcda78ad31..0d4209eef0c3 100644 --- a/tools/testing/selftests/mm/pagemap_ioctl.c +++ b/tools/testing/selftests/mm/pagemap_ioctl.c @@ -1525,9 +1525,7 @@ void zeropfn_tests(void) ret = madvise(mem, hpage_size, MADV_HUGEPAGE); if (!ret) { - char tmp = *mem; - - asm volatile("" : "+r" (tmp)); + FORCE_READ(mem); ret = pagemap_ioctl(mem, hpage_size, &vec, 1, 0, 0, PAGE_IS_PFNZERO, 0, 0, PAGE_IS_PFNZERO); |