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author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-21 00:39:37 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-21 00:39:37 +0300 |
commit | c4d6fe7311762f2e03b3c27ad38df7c40c80cc93 (patch) | |
tree | 42be07bf29464ea4ee5d01a5d935134bd8e7bb23 /tools/testing/radix-tree/idr-test.c | |
parent | 59f0e7eb2f9ffa7715ca95908797b52ba35af11a (diff) | |
parent | 84c34df158cf215b0cd1475ab3b8e6f212f81f23 (diff) | |
download | linux-c4d6fe7311762f2e03b3c27ad38df7c40c80cc93.tar.xz |
Merge tag 'xarray-5.9' of git://git.infradead.org/users/willy/xarray
Pull XArray updates from Matthew Wilcox:
- Fix the test suite after introduction of the local_lock
- Fix a bug in the IDA spotted by Coverity
- Change the API that allows the workingset code to delete a node
- Fix xas_reload() when dealing with entries that occupy multiple
indices
- Add a few more tests to the test suite
- Fix an unsigned int being shifted into an unsigned long
* tag 'xarray-5.9' of git://git.infradead.org/users/willy/xarray:
XArray: Fix xas_create_range for ranges above 4 billion
radix-tree: fix the comment of radix_tree_next_slot()
XArray: Fix xas_reload for multi-index entries
XArray: Add private interface for workingset node deletion
XArray: Fix xas_for_each_conflict documentation
XArray: Test marked multiorder iterations
XArray: Test two more things about xa_cmpxchg
ida: Free allocated bitmap in error path
radix tree test suite: Fix compilation
Diffstat (limited to 'tools/testing/radix-tree/idr-test.c')
-rw-r--r-- | tools/testing/radix-tree/idr-test.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/tools/testing/radix-tree/idr-test.c b/tools/testing/radix-tree/idr-test.c index 8995092d541e..3b796dd5e577 100644 --- a/tools/testing/radix-tree/idr-test.c +++ b/tools/testing/radix-tree/idr-test.c @@ -523,8 +523,27 @@ static void *ida_random_fn(void *arg) return NULL; } +static void *ida_leak_fn(void *arg) +{ + struct ida *ida = arg; + time_t s = time(NULL); + int i, ret; + + rcu_register_thread(); + + do for (i = 0; i < 1000; i++) { + ret = ida_alloc_range(ida, 128, 128, GFP_KERNEL); + if (ret >= 0) + ida_free(ida, 128); + } while (time(NULL) < s + 2); + + rcu_unregister_thread(); + return NULL; +} + void ida_thread_tests(void) { + DEFINE_IDA(ida); pthread_t threads[20]; int i; @@ -536,6 +555,16 @@ void ida_thread_tests(void) while (i--) pthread_join(threads[i], NULL); + + for (i = 0; i < ARRAY_SIZE(threads); i++) + if (pthread_create(&threads[i], NULL, ida_leak_fn, &ida)) { + perror("creating ida thread"); + exit(1); + } + + while (i--) + pthread_join(threads[i], NULL); + assert(ida_is_empty(&ida)); } void ida_tests(void) |