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xarray: Move multiorder account test in-kernel

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Move this test to the in-kernel test suite, and enhance it to test
several different orders.

Signed-off-by: Matthew Wilcox <willy@infradead.org>
This commit is contained in:
Matthew Wilcox 2018-08-28 16:13:16 -04:00
parent 47e0fab2b1
commit d6427f8179
2 changed files with 32 additions and 24 deletions
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32
lib/test_xarray.c
View File

@ -1019,6 +1019,37 @@ static noinline void check_workingset(struct xarray *xa, unsigned long index)
XA_BUG_ON(xa, !xa_empty(xa));
}
/*
* Check that the pointer / value / sibling entries are accounted the
* way we expect them to be.
*/
static noinline void check_account(struct xarray *xa)
{
#ifdef CONFIG_XARRAY_MULTI
unsigned int order;
for (order = 1; order < 12; order++) {
XA_STATE(xas, xa, 1 << order);
xa_store_order(xa, 0, order, xa, GFP_KERNEL);
xas_load(&xas);
XA_BUG_ON(xa, xas.xa_node->count == 0);
XA_BUG_ON(xa, xas.xa_node->count > (1 << order));
XA_BUG_ON(xa, xas.xa_node->nr_values != 0);
xa_store_order(xa, 1 << order, order, xa_mk_value(1 << order),
GFP_KERNEL);
XA_BUG_ON(xa, xas.xa_node->count != xas.xa_node->nr_values * 2);
xa_erase(xa, 1 << order);
XA_BUG_ON(xa, xas.xa_node->nr_values != 0);
xa_erase(xa, 0);
XA_BUG_ON(xa, !xa_empty(xa));
}
#endif
}
static noinline void check_destroy(struct xarray *xa)
{
unsigned long index;
@ -1068,6 +1099,7 @@ static int xarray_checks(void)
check_xa_alloc();
check_find(&array);
check_find_entry(&array);
check_account(&array);
check_destroy(&array);
check_move(&array);
check_create_range(&array);

24
tools/testing/radix-tree/multiorder.c
View File

@ -356,29 +356,6 @@ void multiorder_tagged_iteration(void)
item_kill_tree(&tree);
}
static void multiorder_account(void)
{
RADIX_TREE(tree, GFP_KERNEL);
struct radix_tree_node *node;
void **slot;
item_insert_order(&tree, 0, 5);
__radix_tree_insert(&tree, 1 << 5, 5, xa_mk_value(5));
__radix_tree_lookup(&tree, 0, &node, NULL);
assert(node->count == node->nr_values * 2);
radix_tree_delete(&tree, 1 << 5);
assert(node->nr_values == 0);
__radix_tree_insert(&tree, 1 << 5, 5, xa_mk_value(5));
__radix_tree_lookup(&tree, 1 << 5, &node, &slot);
assert(node->count == node->nr_values * 2);
__radix_tree_replace(&tree, node, slot, NULL);
assert(node->nr_values == 0);
item_kill_tree(&tree);
}
bool stop_iteration = false;
static void *creator_func(void *ptr)
@ -457,7 +434,6 @@ void multiorder_checks(void)
multiorder_tag_tests();
multiorder_iteration();
multiorder_tagged_iteration();
multiorder_account();
multiorder_iteration_race();
radix_tree_cpu_dead(0);