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Diffstat (limited to 'tools/testing/radix-tree/idr-test.c')
-rw-r--r--tools/testing/radix-tree/idr-test.c71
1 files changed, 66 insertions, 5 deletions
diff --git a/tools/testing/radix-tree/idr-test.c b/tools/testing/radix-tree/idr-test.c
index 321ba92c70d2..1b63bdb7688f 100644
--- a/tools/testing/radix-tree/idr-test.c
+++ b/tools/testing/radix-tree/idr-test.c
@@ -19,7 +19,7 @@
#include "test.h"
-#define DUMMY_PTR ((void *)0x12)
+#define DUMMY_PTR ((void *)0x10)
int item_idr_free(int id, void *p, void *data)
{
@@ -227,6 +227,66 @@ void idr_u32_test(int base)
idr_u32_test1(&idr, 0xffffffff);
}
+static void idr_align_test(struct idr *idr)
+{
+ char name[] = "Motorola 68000";
+ int i, id;
+ void *entry;
+
+ for (i = 0; i < 9; i++) {
+ BUG_ON(idr_alloc(idr, &name[i], 0, 0, GFP_KERNEL) != i);
+ idr_for_each_entry(idr, entry, id);
+ }
+ idr_destroy(idr);
+
+ for (i = 1; i < 10; i++) {
+ BUG_ON(idr_alloc(idr, &name[i], 0, 0, GFP_KERNEL) != i - 1);
+ idr_for_each_entry(idr, entry, id);
+ }
+ idr_destroy(idr);
+
+ for (i = 2; i < 11; i++) {
+ BUG_ON(idr_alloc(idr, &name[i], 0, 0, GFP_KERNEL) != i - 2);
+ idr_for_each_entry(idr, entry, id);
+ }
+ idr_destroy(idr);
+
+ for (i = 3; i < 12; i++) {
+ BUG_ON(idr_alloc(idr, &name[i], 0, 0, GFP_KERNEL) != i - 3);
+ idr_for_each_entry(idr, entry, id);
+ }
+ idr_destroy(idr);
+
+ for (i = 0; i < 8; i++) {
+ BUG_ON(idr_alloc(idr, &name[i], 0, 0, GFP_KERNEL) != 0);
+ BUG_ON(idr_alloc(idr, &name[i + 1], 0, 0, GFP_KERNEL) != 1);
+ idr_for_each_entry(idr, entry, id);
+ idr_remove(idr, 1);
+ idr_for_each_entry(idr, entry, id);
+ idr_remove(idr, 0);
+ BUG_ON(!idr_is_empty(idr));
+ }
+
+ for (i = 0; i < 8; i++) {
+ BUG_ON(idr_alloc(idr, NULL, 0, 0, GFP_KERNEL) != 0);
+ idr_for_each_entry(idr, entry, id);
+ idr_replace(idr, &name[i], 0);
+ idr_for_each_entry(idr, entry, id);
+ BUG_ON(idr_find(idr, 0) != &name[i]);
+ idr_remove(idr, 0);
+ }
+
+ for (i = 0; i < 8; i++) {
+ BUG_ON(idr_alloc(idr, &name[i], 0, 0, GFP_KERNEL) != 0);
+ BUG_ON(idr_alloc(idr, NULL, 0, 0, GFP_KERNEL) != 1);
+ idr_remove(idr, 1);
+ idr_for_each_entry(idr, entry, id);
+ idr_replace(idr, &name[i + 1], 0);
+ idr_for_each_entry(idr, entry, id);
+ idr_remove(idr, 0);
+ }
+}
+
void idr_checks(void)
{
unsigned long i;
@@ -307,6 +367,7 @@ void idr_checks(void)
idr_u32_test(4);
idr_u32_test(1);
idr_u32_test(0);
+ idr_align_test(&idr);
}
#define module_init(x)
@@ -344,16 +405,16 @@ void ida_check_conv_user(void)
DEFINE_IDA(ida);
unsigned long i;
- radix_tree_cpu_dead(1);
for (i = 0; i < 1000000; i++) {
int id = ida_alloc(&ida, GFP_NOWAIT);
if (id == -ENOMEM) {
- IDA_BUG_ON(&ida, (i % IDA_BITMAP_BITS) !=
- BITS_PER_LONG - 2);
+ IDA_BUG_ON(&ida, ((i % IDA_BITMAP_BITS) !=
+ BITS_PER_XA_VALUE) &&
+ ((i % IDA_BITMAP_BITS) != 0));
id = ida_alloc(&ida, GFP_KERNEL);
} else {
IDA_BUG_ON(&ida, (i % IDA_BITMAP_BITS) ==
- BITS_PER_LONG - 2);
+ BITS_PER_XA_VALUE);
}
IDA_BUG_ON(&ida, id != i);
}