diff options
Diffstat (limited to 'lib/test_vmalloc.c')
| -rw-r--r-- | lib/test_vmalloc.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/lib/test_vmalloc.c b/lib/test_vmalloc.c index 2815658ccc37..6521c05c7816 100644 --- a/lib/test_vmalloc.c +++ b/lib/test_vmalloc.c @@ -54,6 +54,7 @@ __param(int, run_test_mask, 7, "\t\tid: 256, name: kvfree_rcu_1_arg_vmalloc_test\n" "\t\tid: 512, name: kvfree_rcu_2_arg_vmalloc_test\n" "\t\tid: 1024, name: vm_map_ram_test\n" + "\t\tid: 2048, name: no_block_alloc_test\n" /* Add a new test case description here. */ ); @@ -283,6 +284,30 @@ static int fix_size_alloc_test(void) return 0; } +static int no_block_alloc_test(void) +{ + void *ptr; + int i; + + for (i = 0; i < test_loop_count; i++) { + bool use_atomic = !!(get_random_u8() % 2); + gfp_t gfp = use_atomic ? GFP_ATOMIC : GFP_NOWAIT; + unsigned long size = (nr_pages > 0 ? nr_pages : 1) * PAGE_SIZE; + + preempt_disable(); + ptr = __vmalloc(size, gfp); + preempt_enable(); + + if (!ptr) + return -1; + + *((__u8 *)ptr) = 0; + vfree(ptr); + } + + return 0; +} + static int pcpu_alloc_test(void) { @@ -411,6 +436,7 @@ static struct test_case_desc test_case_array[] = { { "kvfree_rcu_1_arg_vmalloc_test", kvfree_rcu_1_arg_vmalloc_test, }, { "kvfree_rcu_2_arg_vmalloc_test", kvfree_rcu_2_arg_vmalloc_test, }, { "vm_map_ram_test", vm_map_ram_test, }, + { "no_block_alloc_test", no_block_alloc_test, true }, /* Add a new test case here. */ }; @@ -474,7 +500,7 @@ static int test_func(void *private) for (j = 0; j < test_repeat_count; j++) { ret = test_case_array[index].test_func(); - if (!ret && !test_case_array[index].xfail) + if (!ret) t->data[index].test_passed++; else if (ret && test_case_array[index].xfail) t->data[index].test_xfailed++; |