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authorThomas Zimmermann <tzimmermann@suse.de>2022-11-21 09:03:13 +0100
committerThomas Zimmermann <tzimmermann@suse.de>2022-11-21 09:03:13 +0100
commit29583dfcd2dd72c766422bd05c16f06c6b1fb356 (patch)
treea35bc4aa5e84ce6ae0df1b43ca431f6cd8f38997 /lib/test_vmalloc.c
parent39dd0cc2e5bd0d5188dd69f27e18783cea7ff06a (diff)
parent4e291f2f585313efa5200cce655e17c94906e50a (diff)
Merge drm/drm-next into drm-misc-next-fixes
Backmerging to update drm-misc-next-fixes for the final phase of the release cycle. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'lib/test_vmalloc.c')
-rw-r--r--lib/test_vmalloc.c19
1 files changed, 5 insertions, 14 deletions
diff --git a/lib/test_vmalloc.c b/lib/test_vmalloc.c
index 4f2f2d1bac56..cf7780572f5b 100644
--- a/lib/test_vmalloc.c
+++ b/lib/test_vmalloc.c
@@ -80,7 +80,7 @@ static int random_size_align_alloc_test(void)
int i;
for (i = 0; i < test_loop_count; i++) {
- rnd = prandom_u32();
+ rnd = get_random_u8();
/*
* Maximum 1024 pages, if PAGE_SIZE is 4096.
@@ -151,9 +151,7 @@ static int random_size_alloc_test(void)
int i;
for (i = 0; i < test_loop_count; i++) {
- n = prandom_u32();
- n = (n % 100) + 1;
-
+ n = prandom_u32_max(100) + 1;
p = vmalloc(n * PAGE_SIZE);
if (!p)
@@ -293,16 +291,12 @@ pcpu_alloc_test(void)
return -1;
for (i = 0; i < 35000; i++) {
- unsigned int r;
-
- r = prandom_u32();
- size = (r % (PAGE_SIZE / 4)) + 1;
+ size = prandom_u32_max(PAGE_SIZE / 4) + 1;
/*
* Maximum PAGE_SIZE
*/
- r = prandom_u32();
- align = 1 << ((r % 11) + 1);
+ align = 1 << (prandom_u32_max(11) + 1);
pcpu[i] = __alloc_percpu(size, align);
if (!pcpu[i])
@@ -393,14 +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--) {
- rnd = prandom_u32();
-
/* Cut the range. */
- j = rnd % i;
+ j = prandom_u32_max(i);
/* Swap indexes. */
swap(arr[i], arr[j]);