diff options
| author | Tiffany Yang <ynaffit@google.com> | 2025-07-14 11:53:17 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-07-16 14:11:58 +0200 |
| commit | 5e024582f494c6ff5eb2bec5183fd1eb35462500 (patch) | |
| tree | 4961e17ce0052fea9ddbf2bcc657631fcb98e20f /drivers/android/binder_alloc.c | |
| parent | bdfa89c489296f092751fcee23b5d171c9fdc7f5 (diff) | |
binder: Scaffolding for binder_alloc KUnit tests
Add setup and teardown for testing binder allocator code with KUnit.
Include minimal test cases to verify that tests are initialized
correctly.
Tested-by: Rae Moar <rmoar@google.com>
Signed-off-by: Tiffany Yang <ynaffit@google.com>
Acked-by: Carlos Llamas <cmllamas@google.com>
Link: https://lore.kernel.org/r/20250714185321.2417234-5-ynaffit@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/android/binder_alloc.c')
| -rw-r--r-- | drivers/android/binder_alloc.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c index 0476e8c2b0fb..6351b80457c2 100644 --- a/drivers/android/binder_alloc.c +++ b/drivers/android/binder_alloc.c @@ -23,6 +23,7 @@ #include <linux/uaccess.h> #include <linux/highmem.h> #include <linux/sizes.h> +#include <kunit/visibility.h> #include "binder_alloc.h" #include "binder_trace.h" @@ -57,13 +58,14 @@ static struct binder_buffer *binder_buffer_prev(struct binder_buffer *buffer) return list_entry(buffer->entry.prev, struct binder_buffer, entry); } -static size_t binder_alloc_buffer_size(struct binder_alloc *alloc, - struct binder_buffer *buffer) +VISIBLE_IF_KUNIT size_t binder_alloc_buffer_size(struct binder_alloc *alloc, + struct binder_buffer *buffer) { if (list_is_last(&buffer->entry, &alloc->buffers)) return alloc->vm_start + alloc->buffer_size - buffer->user_data; return binder_buffer_next(buffer)->user_data - buffer->user_data; } +EXPORT_SYMBOL_IF_KUNIT(binder_alloc_buffer_size); static void binder_insert_free_buffer(struct binder_alloc *alloc, struct binder_buffer *new_buffer) @@ -955,7 +957,7 @@ err_invalid_mm: failure_string, ret); return ret; } - +EXPORT_SYMBOL_IF_KUNIT(binder_alloc_mmap_handler); void binder_alloc_deferred_release(struct binder_alloc *alloc) { @@ -1024,6 +1026,7 @@ void binder_alloc_deferred_release(struct binder_alloc *alloc) "%s: %d buffers %d, pages %d\n", __func__, alloc->pid, buffers, page_count); } +EXPORT_SYMBOL_IF_KUNIT(binder_alloc_deferred_release); /** * binder_alloc_print_allocated() - print buffer info @@ -1116,6 +1119,7 @@ void binder_alloc_vma_close(struct binder_alloc *alloc) { binder_alloc_set_mapped(alloc, false); } +EXPORT_SYMBOL_IF_KUNIT(binder_alloc_vma_close); /** * binder_alloc_free_page() - shrinker callback to free pages @@ -1223,8 +1227,8 @@ binder_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) static struct shrinker *binder_shrinker; -static void __binder_alloc_init(struct binder_alloc *alloc, - struct list_lru *freelist) +VISIBLE_IF_KUNIT void __binder_alloc_init(struct binder_alloc *alloc, + struct list_lru *freelist) { alloc->pid = current->group_leader->pid; alloc->mm = current->mm; @@ -1233,6 +1237,7 @@ static void __binder_alloc_init(struct binder_alloc *alloc, INIT_LIST_HEAD(&alloc->buffers); alloc->freelist = freelist; } +EXPORT_SYMBOL_IF_KUNIT(__binder_alloc_init); /** * binder_alloc_init() - called by binder_open() for per-proc initialization |