diff options
Diffstat (limited to 'lib/test_vmalloc.c')
| -rw-r--r-- | lib/test_vmalloc.c | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/lib/test_vmalloc.c b/lib/test_vmalloc.c index cf41fd6df42a..cf7780572f5b 100644 --- a/lib/test_vmalloc.c +++ b/lib/test_vmalloc.c @@ -74,12 +74,13 @@ test_report_one_done(void) static int random_size_align_alloc_test(void) { - unsigned long size, align, rnd; + unsigned long size, align; + unsigned int rnd; void *ptr; int i; for (i = 0; i < test_loop_count; i++) { - get_random_bytes(&rnd, sizeof(rnd)); + rnd = get_random_u8(); /* * Maximum 1024 pages, if PAGE_SIZE is 4096. @@ -150,9 +151,7 @@ static int random_size_alloc_test(void) int i; for (i = 0; i < test_loop_count; i++) { - get_random_bytes(&n, sizeof(i)); - n = (n % 100) + 1; - + n = prandom_u32_max(100) + 1; p = vmalloc(n * PAGE_SIZE); if (!p) @@ -292,16 +291,12 @@ pcpu_alloc_test(void) return -1; for (i = 0; i < 35000; i++) { - unsigned int r; - - get_random_bytes(&r, sizeof(i)); - size = (r % (PAGE_SIZE / 4)) + 1; + size = prandom_u32_max(PAGE_SIZE / 4) + 1; /* * Maximum PAGE_SIZE */ - get_random_bytes(&r, sizeof(i)); - align = 1 << ((i % 11) + 1); + align = 1 << (prandom_u32_max(11) + 1); pcpu[i] = __alloc_percpu(size, align); if (!pcpu[i]) @@ -392,14 +387,11 @@ static struct test_driver { static void shuffle_array(int *arr, int n) { - unsigned int rnd; int i, j; for (i = n - 1; i > 0; i--) { - get_random_bytes(&rnd, sizeof(rnd)); - /* Cut the range. */ - j = rnd % i; + j = prandom_u32_max(i); /* Swap indexes. */ swap(arr[i], arr[j]); |