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radix tree test suite: handle exceptional entries

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item_kill_tree() assumes that everything in the tree is a pointer to a
struct item, which is annoying when testing the behaviour of exceptional
entries.  Fix it to delete exceptional entries on the assumption they
don't need to be freed.

Link: http://lkml.kernel.org/r/1480369871-5271-45-git-send-email-mawilcox@linuxonhyperv.com
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Tested-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Matthew Wilcox 2016-12-14 15:08:20 -08:00 committed by Linus Torvalds
parent af1c5cca90
commit 3ad75f8a1d
1 changed files with 7 additions and 0 deletions
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7
tools/testing/radix-tree/test.c
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@ -200,9 +200,16 @@ void verify_tag_consistency(struct radix_tree_root *root, unsigned int tag)
void item_kill_tree(struct radix_tree_root *root)
{
struct radix_tree_iter iter;
void **slot;
struct item *items[32];
int nfound;
radix_tree_for_each_slot(slot, root, &iter, 0) {
if (radix_tree_exceptional_entry(*slot))
radix_tree_delete(root, iter.index);
}
while ((nfound = radix_tree_gang_lookup(root, (void **)items, 0, 32))) {
int i;