atomic64_add(nr_pages, &cma->nr_pages_failed);
}
+void cma_sysfs_account_release_pages(struct cma *cma, unsigned long nr_pages)
+{
+ atomic64_add(nr_pages, &cma->nr_pages_released);
+}
+
static inline struct cma *cma_from_kobj(struct kobject *kobj)
{
return container_of(kobj, struct cma_kobject, kobj)->cma;
}
CMA_ATTR_RO(alloc_pages_fail);
+static ssize_t release_pages_success_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
+{
+ struct cma *cma = cma_from_kobj(kobj);
+
+ return sysfs_emit(buf, "%llu\n", atomic64_read(&cma->nr_pages_released));
+}
+CMA_ATTR_RO(release_pages_success);
+
static void cma_kobj_release(struct kobject *kobj)
{
struct cma *cma = cma_from_kobj(kobj);
static struct attribute *cma_attrs[] = {
&alloc_pages_success_attr.attr,
&alloc_pages_fail_attr.attr,
+ &release_pages_success_attr.attr,
NULL,
};
ATTRIBUTE_GROUPS(cma);