sugar/linux
1
0
Fork 0
Code Activity

binder: Fix selftest page indexing

Browse Source 
The binder allocator selftest was only checking the last page of buffers
that ended on a page boundary. Correct the page indexing to account for
buffers that are not page-aligned.

Signed-off-by: Tiffany Yang <ynaffit@google.com>
Acked-by: Carlos Llamas <cmllamas@google.com>
Link: https://lore.kernel.org/r/20250714185321.2417234-2-ynaffit@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tiffany Yang
2025-07-14 11:53:14 -07:00
committed by Greg Kroah-Hartman
parent 01afddcac6
commit bea3e7bfa2
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/android/binder_alloc_selftest.c
View File

@@ -142,12 +142,12 @@ static void binder_selftest_free_buf(struct binder_alloc *alloc,
for (i = 0; i < BUFFER_NUM; i++)
binder_alloc_free_buf(alloc, buffers[seq[i]]);
for (i = 0; i < end / PAGE_SIZE; i++) {
/**
* Error message on a free page can be false positive
* if binder shrinker ran during binder_alloc_free_buf
* calls above.
*/
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",