@@ -1053,11 +1053,7 @@ binder_shrink_scan(struct shrinker *shrink, struct shrink_control *sc)
NULL, sc->nr_to_scan);
}
-static struct shrinker binder_shrinker = {
- .count_objects = binder_shrink_count,
- .scan_objects = binder_shrink_scan,
- .seeks = DEFAULT_SEEKS,
-};
+static struct shrinker *binder_shrinker;
/**
* binder_alloc_init() - called by binder_open() for per-proc initialization
@@ -1077,19 +1073,30 @@ void binder_alloc_init(struct binder_alloc *alloc)
int binder_alloc_shrinker_init(void)
{
- int ret = list_lru_init(&binder_alloc_lru);
+ int ret;
- if (ret == 0) {
- ret = register_shrinker(&binder_shrinker, "android-binder");
- if (ret)
- list_lru_destroy(&binder_alloc_lru);
+ ret = list_lru_init(&binder_alloc_lru);
+ if (ret)
+ return ret;
+
+ binder_shrinker = shrinker_alloc(0, "android-binder");
+ if (!binder_shrinker) {
+ list_lru_destroy(&binder_alloc_lru);
+ return -ENOMEM;
}
- return ret;
+
+ binder_shrinker->count_objects = binder_shrink_count;
+ binder_shrinker->scan_objects = binder_shrink_scan;
+ binder_shrinker->seeks = DEFAULT_SEEKS;
+
+ shrinker_register(binder_shrinker);
+
+ return 0;
}
void binder_alloc_shrinker_exit(void)
{
- unregister_shrinker(&binder_shrinker);
+ shrinker_free(binder_shrinker);
list_lru_destroy(&binder_alloc_lru);
}
Use new APIs to dynamically allocate the android-binder shrinker. Signed-off-by: Qi Zheng <zhengqi.arch@bytedance.com> --- drivers/android/binder_alloc.c | 31 +++++++++++++++++++------------ 1 file changed, 19 insertions(+), 12 deletions(-)