created. Each binder device has its own context manager, and is
therefore logically separated from the other devices.
-config ANDROID_BINDER_IPC_SELFTEST
- bool "Android Binder IPC Driver Selftest"
- depends on ANDROID_BINDER_IPC
- help
- This feature allows binder selftest to run.
-
- Binder selftest checks the allocation and free of binder buffers
- exhaustively with combinations of various buffer sizes and
- alignments.
-
config ANDROID_BINDER_ALLOC_KUNIT_TEST
tristate "KUnit Tests for Android Binder Alloc" if !KUNIT_ALL_TESTS
depends on ANDROID_BINDER_IPC && KUNIT
obj-$(CONFIG_ANDROID_BINDERFS) += binderfs.o
obj-$(CONFIG_ANDROID_BINDER_IPC) += binder.o binder_alloc.o
-obj-$(CONFIG_ANDROID_BINDER_IPC_SELFTEST) += binder_alloc_selftest.o
obj-$(CONFIG_ANDROID_BINDER_ALLOC_KUNIT_TEST) += tests/
struct binder_thread *thread;
void __user *ubuf = (void __user *)arg;
- /*pr_info("binder_ioctl: %d:%d %x %lx\n",
- proc->pid, current->pid, cmd, arg);*/
-
- binder_selftest_alloc(&proc->alloc);
-
trace_binder_ioctl(cmd, arg);
ret = wait_event_interruptible(binder_user_error_wait, binder_stop_on_user_error < 2);
out:
return buffer;
}
+EXPORT_SYMBOL_IF_KUNIT(binder_alloc_new_buf);
static unsigned long buffer_start_page(struct binder_buffer *buffer)
{
binder_free_buf_locked(alloc, buffer);
mutex_unlock(&alloc->mutex);
}
+EXPORT_SYMBOL_IF_KUNIT(binder_alloc_free_buf);
/**
* binder_alloc_mmap_handler() - map virtual address space for proc
err_mmget:
return LRU_SKIP;
}
+EXPORT_SYMBOL_IF_KUNIT(binder_alloc_free_page);
static unsigned long
binder_shrink_count(struct shrinker *shrink, struct shrink_control *sc)
bool oneway_spam_detected;
};
-#ifdef CONFIG_ANDROID_BINDER_IPC_SELFTEST
-void binder_selftest_alloc(struct binder_alloc *alloc);
-#else
-static inline void binder_selftest_alloc(struct binder_alloc *alloc) {}
-#endif
enum lru_status binder_alloc_free_page(struct list_head *item,
struct list_lru_one *lru,
void *cb_arg);
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/* binder_alloc_selftest.c
- *
- * Android IPC Subsystem
- *
- * Copyright (C) 2017 Google, Inc.
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/err.h>
-#include <linux/list_lru.h>
-#include <linux/mm_types.h>
-#include "binder_alloc.h"
-
-#define BUFFER_NUM 5
-#define BUFFER_MIN_SIZE (PAGE_SIZE / 8)
-
-static bool binder_selftest_run = true;
-static int binder_selftest_failures;
-static DEFINE_MUTEX(binder_selftest_lock);
-static struct list_lru binder_selftest_freelist;
-
-/**
- * enum buf_end_align_type - Page alignment of a buffer
- * end with regard to the end of the previous buffer.
- *
- * In the pictures below, buf2 refers to the buffer we
- * are aligning. buf1 refers to previous buffer by addr.
- * Symbol [ means the start of a buffer, ] means the end
- * of a buffer, and | means page boundaries.
- */
-enum buf_end_align_type {
- /**
- * @SAME_PAGE_UNALIGNED: The end of this buffer is on
- * the same page as the end of the previous buffer and
- * is not page aligned. Examples:
- * buf1 ][ buf2 ][ ...
- * buf1 ]|[ buf2 ][ ...
- */
- SAME_PAGE_UNALIGNED = 0,
- /**
- * @SAME_PAGE_ALIGNED: When the end of the previous buffer
- * is not page aligned, the end of this buffer is on the
- * same page as the end of the previous buffer and is page
- * aligned. When the previous buffer is page aligned, the
- * end of this buffer is aligned to the next page boundary.
- * Examples:
- * buf1 ][ buf2 ]| ...
- * buf1 ]|[ buf2 ]| ...
- */
- SAME_PAGE_ALIGNED,
- /**
- * @NEXT_PAGE_UNALIGNED: The end of this buffer is on
- * the page next to the end of the previous buffer and
- * is not page aligned. Examples:
- * buf1 ][ buf2 | buf2 ][ ...
- * buf1 ]|[ buf2 | buf2 ][ ...
- */
- NEXT_PAGE_UNALIGNED,
- /**
- * @NEXT_PAGE_ALIGNED: The end of this buffer is on
- * the page next to the end of the previous buffer and
- * is page aligned. Examples:
- * buf1 ][ buf2 | buf2 ]| ...
- * buf1 ]|[ buf2 | buf2 ]| ...
- */
- NEXT_PAGE_ALIGNED,
- /**
- * @NEXT_NEXT_UNALIGNED: The end of this buffer is on
- * the page that follows the page after the end of the
- * previous buffer and is not page aligned. Examples:
- * buf1 ][ buf2 | buf2 | buf2 ][ ...
- * buf1 ]|[ buf2 | buf2 | buf2 ][ ...
- */
- NEXT_NEXT_UNALIGNED,
- /**
- * @LOOP_END: The number of enum values in &buf_end_align_type.
- * It is used for controlling loop termination.
- */
- LOOP_END,
-};
-
-static void pr_err_size_seq(size_t *sizes, int *seq)
-{
- int i;
-
- pr_err("alloc sizes: ");
- for (i = 0; i < BUFFER_NUM; i++)
- pr_cont("[%zu]", sizes[i]);
- pr_cont("\n");
- pr_err("free seq: ");
- for (i = 0; i < BUFFER_NUM; i++)
- pr_cont("[%d]", seq[i]);
- pr_cont("\n");
-}
-
-static bool check_buffer_pages_allocated(struct binder_alloc *alloc,
- struct binder_buffer *buffer,
- size_t size)
-{
- unsigned long page_addr;
- unsigned long end;
- int page_index;
-
- end = PAGE_ALIGN(buffer->user_data + size);
- page_addr = buffer->user_data;
- for (; page_addr < end; page_addr += PAGE_SIZE) {
- page_index = (page_addr - alloc->vm_start) / PAGE_SIZE;
- if (!alloc->pages[page_index] ||
- !list_empty(page_to_lru(alloc->pages[page_index]))) {
- pr_err("expect alloc but is %s at page index %d\n",
- alloc->pages[page_index] ?
- "lru" : "free", page_index);
- return false;
- }
- }
- return true;
-}
-
-static void binder_selftest_alloc_buf(struct binder_alloc *alloc,
- struct binder_buffer *buffers[],
- size_t *sizes, int *seq)
-{
- int i;
-
- for (i = 0; i < BUFFER_NUM; i++) {
- buffers[i] = binder_alloc_new_buf(alloc, sizes[i], 0, 0, 0);
- if (IS_ERR(buffers[i]) ||
- !check_buffer_pages_allocated(alloc, buffers[i],
- sizes[i])) {
- pr_err_size_seq(sizes, seq);
- binder_selftest_failures++;
- }
- }
-}
-
-static void binder_selftest_free_buf(struct binder_alloc *alloc,
- struct binder_buffer *buffers[],
- size_t *sizes, int *seq, size_t end)
-{
- int i;
-
- for (i = 0; i < BUFFER_NUM; i++)
- binder_alloc_free_buf(alloc, buffers[seq[i]]);
-
- for (i = 0; i <= (end - 1) / PAGE_SIZE; i++) {
- if (list_empty(page_to_lru(alloc->pages[i]))) {
- pr_err_size_seq(sizes, seq);
- pr_err("expect lru but is %s at page index %d\n",
- alloc->pages[i] ? "alloc" : "free", i);
- binder_selftest_failures++;
- }
- }
-}
-
-static void binder_selftest_free_page(struct binder_alloc *alloc)
-{
- int i;
- unsigned long count;
-
- while ((count = list_lru_count(&binder_selftest_freelist))) {
- list_lru_walk(&binder_selftest_freelist, binder_alloc_free_page,
- NULL, count);
- }
-
- for (i = 0; i < (alloc->buffer_size / PAGE_SIZE); i++) {
- if (alloc->pages[i]) {
- pr_err("expect free but is %s at page index %d\n",
- list_empty(page_to_lru(alloc->pages[i])) ?
- "alloc" : "lru", i);
- binder_selftest_failures++;
- }
- }
-}
-
-static void binder_selftest_alloc_free(struct binder_alloc *alloc,
- size_t *sizes, int *seq, size_t end)
-{
- struct binder_buffer *buffers[BUFFER_NUM];
-
- binder_selftest_alloc_buf(alloc, buffers, sizes, seq);
- binder_selftest_free_buf(alloc, buffers, sizes, seq, end);
-
- /* Allocate from lru. */
- binder_selftest_alloc_buf(alloc, buffers, sizes, seq);
- if (list_lru_count(&binder_selftest_freelist))
- pr_err("lru list should be empty but is not\n");
-
- binder_selftest_free_buf(alloc, buffers, sizes, seq, end);
- binder_selftest_free_page(alloc);
-}
-
-static bool is_dup(int *seq, int index, int val)
-{
- int i;
-
- for (i = 0; i < index; i++) {
- if (seq[i] == val)
- return true;
- }
- return false;
-}
-
-/* Generate BUFFER_NUM factorial free orders. */
-static void binder_selftest_free_seq(struct binder_alloc *alloc,
- size_t *sizes, int *seq,
- int index, size_t end)
-{
- int i;
-
- if (index == BUFFER_NUM) {
- binder_selftest_alloc_free(alloc, sizes, seq, end);
- return;
- }
- for (i = 0; i < BUFFER_NUM; i++) {
- if (is_dup(seq, index, i))
- continue;
- seq[index] = i;
- binder_selftest_free_seq(alloc, sizes, seq, index + 1, end);
- }
-}
-
-static void binder_selftest_alloc_size(struct binder_alloc *alloc,
- size_t *end_offset)
-{
- int i;
- int seq[BUFFER_NUM] = {0};
- size_t front_sizes[BUFFER_NUM];
- size_t back_sizes[BUFFER_NUM];
- size_t last_offset, offset = 0;
-
- for (i = 0; i < BUFFER_NUM; i++) {
- last_offset = offset;
- offset = end_offset[i];
- front_sizes[i] = offset - last_offset;
- back_sizes[BUFFER_NUM - i - 1] = front_sizes[i];
- }
- /*
- * Buffers share the first or last few pages.
- * Only BUFFER_NUM - 1 buffer sizes are adjustable since
- * we need one giant buffer before getting to the last page.
- */
- back_sizes[0] += alloc->buffer_size - end_offset[BUFFER_NUM - 1];
- binder_selftest_free_seq(alloc, front_sizes, seq, 0,
- end_offset[BUFFER_NUM - 1]);
- binder_selftest_free_seq(alloc, back_sizes, seq, 0, alloc->buffer_size);
-}
-
-static void binder_selftest_alloc_offset(struct binder_alloc *alloc,
- size_t *end_offset, int index)
-{
- int align;
- size_t end, prev;
-
- if (index == BUFFER_NUM) {
- binder_selftest_alloc_size(alloc, end_offset);
- return;
- }
- prev = index == 0 ? 0 : end_offset[index - 1];
- end = prev;
-
- BUILD_BUG_ON(BUFFER_MIN_SIZE * BUFFER_NUM >= PAGE_SIZE);
-
- for (align = SAME_PAGE_UNALIGNED; align < LOOP_END; align++) {
- if (align % 2)
- end = ALIGN(end, PAGE_SIZE);
- else
- end += BUFFER_MIN_SIZE;
- end_offset[index] = end;
- binder_selftest_alloc_offset(alloc, end_offset, index + 1);
- }
-}
-
-int binder_selftest_alloc_get_page_count(struct binder_alloc *alloc)
-{
- struct page *page;
- int allocated = 0;
- int i;
-
- for (i = 0; i < alloc->buffer_size / PAGE_SIZE; i++) {
- page = alloc->pages[i];
- if (page)
- allocated++;
- }
- return allocated;
-}
-
-/**
- * binder_selftest_alloc() - Test alloc and free of buffer pages.
- * @alloc: Pointer to alloc struct.
- *
- * Allocate BUFFER_NUM buffers to cover all page alignment cases,
- * then free them in all orders possible. Check that pages are
- * correctly allocated, put onto lru when buffers are freed, and
- * are freed when binder_alloc_free_page is called.
- */
-void binder_selftest_alloc(struct binder_alloc *alloc)
-{
- struct list_lru *prev_freelist;
- size_t end_offset[BUFFER_NUM];
-
- if (!binder_selftest_run)
- return;
- mutex_lock(&binder_selftest_lock);
- if (!binder_selftest_run || !alloc->mapped)
- goto done;
-
- prev_freelist = alloc->freelist;
-
- /*
- * It is not safe to modify this process's alloc->freelist if it has any
- * pages on a freelist. Since the test runs before any binder ioctls can
- * be dealt with, none of its pages should be allocated yet.
- */
- if (binder_selftest_alloc_get_page_count(alloc)) {
- pr_err("process has existing alloc state\n");
- goto cleanup;
- }
-
- if (list_lru_init(&binder_selftest_freelist)) {
- pr_err("failed to init test freelist\n");
- goto cleanup;
- }
-
- alloc->freelist = &binder_selftest_freelist;
-
- pr_info("STARTED\n");
- binder_selftest_alloc_offset(alloc, end_offset, 0);
- if (binder_selftest_failures > 0)
- pr_info("%d tests FAILED\n", binder_selftest_failures);
- else
- pr_info("PASSED\n");
-
- if (list_lru_count(&binder_selftest_freelist))
- pr_err("expect test freelist to be empty\n");
-
-cleanup:
- /* Even if we didn't run the test, it's no longer thread-safe. */
- binder_selftest_run = false;
- alloc->freelist = prev_freelist;
- list_lru_destroy(&binder_selftest_freelist);
-done:
- mutex_unlock(&binder_selftest_lock);
-}
#define BINDER_MMAP_SIZE SZ_128K
+#define BUFFER_NUM 5
+#define BUFFER_MIN_SIZE (PAGE_SIZE / 8)
+
+static int binder_alloc_test_failures;
+
+/**
+ * enum buf_end_align_type - Page alignment of a buffer
+ * end with regard to the end of the previous buffer.
+ *
+ * In the pictures below, buf2 refers to the buffer we
+ * are aligning. buf1 refers to previous buffer by addr.
+ * Symbol [ means the start of a buffer, ] means the end
+ * of a buffer, and | means page boundaries.
+ */
+enum buf_end_align_type {
+ /**
+ * @SAME_PAGE_UNALIGNED: The end of this buffer is on
+ * the same page as the end of the previous buffer and
+ * is not page aligned. Examples:
+ * buf1 ][ buf2 ][ ...
+ * buf1 ]|[ buf2 ][ ...
+ */
+ SAME_PAGE_UNALIGNED = 0,
+ /**
+ * @SAME_PAGE_ALIGNED: When the end of the previous buffer
+ * is not page aligned, the end of this buffer is on the
+ * same page as the end of the previous buffer and is page
+ * aligned. When the previous buffer is page aligned, the
+ * end of this buffer is aligned to the next page boundary.
+ * Examples:
+ * buf1 ][ buf2 ]| ...
+ * buf1 ]|[ buf2 ]| ...
+ */
+ SAME_PAGE_ALIGNED,
+ /**
+ * @NEXT_PAGE_UNALIGNED: The end of this buffer is on
+ * the page next to the end of the previous buffer and
+ * is not page aligned. Examples:
+ * buf1 ][ buf2 | buf2 ][ ...
+ * buf1 ]|[ buf2 | buf2 ][ ...
+ */
+ NEXT_PAGE_UNALIGNED,
+ /**
+ * @NEXT_PAGE_ALIGNED: The end of this buffer is on
+ * the page next to the end of the previous buffer and
+ * is page aligned. Examples:
+ * buf1 ][ buf2 | buf2 ]| ...
+ * buf1 ]|[ buf2 | buf2 ]| ...
+ */
+ NEXT_PAGE_ALIGNED,
+ /**
+ * @NEXT_NEXT_UNALIGNED: The end of this buffer is on
+ * the page that follows the page after the end of the
+ * previous buffer and is not page aligned. Examples:
+ * buf1 ][ buf2 | buf2 | buf2 ][ ...
+ * buf1 ]|[ buf2 | buf2 | buf2 ][ ...
+ */
+ NEXT_NEXT_UNALIGNED,
+ /**
+ * @LOOP_END: The number of enum values in &buf_end_align_type.
+ * It is used for controlling loop termination.
+ */
+ LOOP_END,
+};
+
+static void pr_err_size_seq(struct kunit *test, size_t *sizes, int *seq)
+{
+ int i;
+
+ kunit_err(test, "alloc sizes: ");
+ for (i = 0; i < BUFFER_NUM; i++)
+ pr_cont("[%zu]", sizes[i]);
+ pr_cont("\n");
+ kunit_err(test, "free seq: ");
+ for (i = 0; i < BUFFER_NUM; i++)
+ pr_cont("[%d]", seq[i]);
+ pr_cont("\n");
+}
+
+static bool check_buffer_pages_allocated(struct kunit *test,
+ struct binder_alloc *alloc,
+ struct binder_buffer *buffer,
+ size_t size)
+{
+ unsigned long page_addr;
+ unsigned long end;
+ int page_index;
+
+ end = PAGE_ALIGN(buffer->user_data + size);
+ page_addr = buffer->user_data;
+ for (; page_addr < end; page_addr += PAGE_SIZE) {
+ page_index = (page_addr - alloc->vm_start) / PAGE_SIZE;
+ if (!alloc->pages[page_index] ||
+ !list_empty(page_to_lru(alloc->pages[page_index]))) {
+ kunit_err(test, "expect alloc but is %s at page index %d\n",
+ alloc->pages[page_index] ?
+ "lru" : "free", page_index);
+ return false;
+ }
+ }
+ return true;
+}
+
+static void binder_alloc_test_alloc_buf(struct kunit *test,
+ struct binder_alloc *alloc,
+ struct binder_buffer *buffers[],
+ size_t *sizes, int *seq)
+{
+ int i;
+
+ for (i = 0; i < BUFFER_NUM; i++) {
+ buffers[i] = binder_alloc_new_buf(alloc, sizes[i], 0, 0, 0);
+ if (IS_ERR(buffers[i]) ||
+ !check_buffer_pages_allocated(test, alloc, buffers[i], sizes[i])) {
+ pr_err_size_seq(test, sizes, seq);
+ binder_alloc_test_failures++;
+ }
+ }
+}
+
+static void binder_alloc_test_free_buf(struct kunit *test,
+ struct binder_alloc *alloc,
+ struct binder_buffer *buffers[],
+ size_t *sizes, int *seq, size_t end)
+{
+ int i;
+
+ for (i = 0; i < BUFFER_NUM; i++)
+ binder_alloc_free_buf(alloc, buffers[seq[i]]);
+
+ for (i = 0; i <= (end - 1) / PAGE_SIZE; i++) {
+ if (list_empty(page_to_lru(alloc->pages[i]))) {
+ pr_err_size_seq(test, sizes, seq);
+ kunit_err(test, "expect lru but is %s at page index %d\n",
+ alloc->pages[i] ? "alloc" : "free", i);
+ binder_alloc_test_failures++;
+ }
+ }
+}
+
+static void binder_alloc_test_free_page(struct kunit *test,
+ struct binder_alloc *alloc)
+{
+ unsigned long count;
+ int i;
+
+ while ((count = list_lru_count(alloc->freelist))) {
+ list_lru_walk(alloc->freelist, binder_alloc_free_page,
+ NULL, count);
+ }
+
+ for (i = 0; i < (alloc->buffer_size / PAGE_SIZE); i++) {
+ if (alloc->pages[i]) {
+ kunit_err(test, "expect free but is %s at page index %d\n",
+ list_empty(page_to_lru(alloc->pages[i])) ?
+ "alloc" : "lru", i);
+ binder_alloc_test_failures++;
+ }
+ }
+}
+
+static void binder_alloc_test_alloc_free(struct kunit *test,
+ struct binder_alloc *alloc,
+ size_t *sizes, int *seq, size_t end)
+{
+ struct binder_buffer *buffers[BUFFER_NUM];
+
+ binder_alloc_test_alloc_buf(test, alloc, buffers, sizes, seq);
+ binder_alloc_test_free_buf(test, alloc, buffers, sizes, seq, end);
+
+ /* Allocate from lru. */
+ binder_alloc_test_alloc_buf(test, alloc, buffers, sizes, seq);
+ if (list_lru_count(alloc->freelist))
+ kunit_err(test, "lru list should be empty but is not\n");
+
+ binder_alloc_test_free_buf(test, alloc, buffers, sizes, seq, end);
+ binder_alloc_test_free_page(test, alloc);
+}
+
+static bool is_dup(int *seq, int index, int val)
+{
+ int i;
+
+ for (i = 0; i < index; i++) {
+ if (seq[i] == val)
+ return true;
+ }
+ return false;
+}
+
+/* Generate BUFFER_NUM factorial free orders. */
+static void permute_frees(struct kunit *test, struct binder_alloc *alloc,
+ size_t *sizes, int *seq, int index, size_t end)
+{
+ int i;
+
+ if (index == BUFFER_NUM) {
+ binder_alloc_test_alloc_free(test, alloc, sizes, seq, end);
+ return;
+ }
+ for (i = 0; i < BUFFER_NUM; i++) {
+ if (is_dup(seq, index, i))
+ continue;
+ seq[index] = i;
+ permute_frees(test, alloc, sizes, seq, index + 1, end);
+ }
+}
+
+static void gen_buf_sizes(struct kunit *test, struct binder_alloc *alloc,
+ size_t *end_offset)
+{
+ size_t last_offset, offset = 0;
+ size_t front_sizes[BUFFER_NUM];
+ size_t back_sizes[BUFFER_NUM];
+ int seq[BUFFER_NUM] = {0};
+ int i;
+
+ for (i = 0; i < BUFFER_NUM; i++) {
+ last_offset = offset;
+ offset = end_offset[i];
+ front_sizes[i] = offset - last_offset;
+ back_sizes[BUFFER_NUM - i - 1] = front_sizes[i];
+ }
+ /*
+ * Buffers share the first or last few pages.
+ * Only BUFFER_NUM - 1 buffer sizes are adjustable since
+ * we need one giant buffer before getting to the last page.
+ */
+ back_sizes[0] += alloc->buffer_size - end_offset[BUFFER_NUM - 1];
+ permute_frees(test, alloc, front_sizes, seq, 0,
+ end_offset[BUFFER_NUM - 1]);
+ permute_frees(test, alloc, back_sizes, seq, 0, alloc->buffer_size);
+}
+
+static void gen_buf_offsets(struct kunit *test, struct binder_alloc *alloc,
+ size_t *end_offset, int index)
+{
+ size_t end, prev;
+ int align;
+
+ if (index == BUFFER_NUM) {
+ gen_buf_sizes(test, alloc, end_offset);
+ return;
+ }
+ prev = index == 0 ? 0 : end_offset[index - 1];
+ end = prev;
+
+ BUILD_BUG_ON(BUFFER_MIN_SIZE * BUFFER_NUM >= PAGE_SIZE);
+
+ for (align = SAME_PAGE_UNALIGNED; align < LOOP_END; align++) {
+ if (align % 2)
+ end = ALIGN(end, PAGE_SIZE);
+ else
+ end += BUFFER_MIN_SIZE;
+ end_offset[index] = end;
+ gen_buf_offsets(test, alloc, end_offset, index + 1);
+ }
+}
+
struct binder_alloc_test {
struct binder_alloc alloc;
struct list_lru binder_test_freelist;
KUNIT_EXPECT_TRUE(test, list_is_last(&buf->entry, &alloc->buffers));
}
+/**
+ * binder_alloc_exhaustive_test() - Exhaustively test alloc and free of buffer pages.
+ * @test: The test context object.
+ *
+ * Allocate BUFFER_NUM buffers to cover all page alignment cases,
+ * then free them in all orders possible. Check that pages are
+ * correctly allocated, put onto lru when buffers are freed, and
+ * are freed when binder_alloc_free_page() is called.
+ */
+static void binder_alloc_exhaustive_test(struct kunit *test)
+{
+ struct binder_alloc_test *priv = test->priv;
+ size_t end_offset[BUFFER_NUM];
+
+ gen_buf_offsets(test, &priv->alloc, end_offset, 0);
+
+ KUNIT_EXPECT_EQ(test, binder_alloc_test_failures, 0);
+}
+
/* ===== End test cases ===== */
static void binder_alloc_test_vma_close(struct vm_area_struct *vma)
static struct kunit_case binder_alloc_test_cases[] = {
KUNIT_CASE(binder_alloc_test_init_freelist),
KUNIT_CASE(binder_alloc_test_mmap),
+ KUNIT_CASE(binder_alloc_exhaustive_test),
{}
};