3  * CMA SysFS Interface
8 #include <linux/cma.h>
13 #include "cma.h"
20 void cma_sysfs_account_success_pages(struct cma *cma, unsigned long nr_pages)  in cma_sysfs_account_success_pages()  argument
22 	atomic64_add(nr_pages, &cma->nr_pages_succeeded);  in cma_sysfs_account_success_pages()
25 void cma_sysfs_account_fail_pages(struct cma *cma, unsigned long nr_pages)  in cma_sysfs_account_fail_pages()  argument
27 	atomic64_add(nr_pages, &cma->nr_pages_failed);  in cma_sysfs_account_fail_pages()
30 static inline struct cma *cma_from_kobj(struct kobject *kobj)  in cma_from_kobj()
32 	return container_of(kobj, struct cma_kobject, kobj)->cma;  in cma_from_kobj()
38 	struct cma *cma = cma_from_kobj(kobj);  in alloc_pages_success_show()  local
41 			  atomic64_read(&cma->nr_pages_succeeded));  in alloc_pages_success_show()
48 	struct cma *cma = cma_from_kobj(kobj);  in alloc_pages_fail_show()  local
50 	return sysfs_emit(buf, "%llu\n", atomic64_read(&cma->nr_pages_failed));  in alloc_pages_fail_show()
56 	struct cma *cma = cma_from_kobj(kobj);  in cma_kobj_release()  local
57 	struct cma_kobject *cma_kobj = cma->cma_kobj;  in cma_kobj_release()
60 	cma->cma_kobj = NULL;  in cma_kobj_release()
68 ATTRIBUTE_GROUPS(cma);
80 	struct cma *cma;  in cma_sysfs_init()  local
86 	cma_kobj_root = kobject_create_and_add("cma", mm_kobj);  in cma_sysfs_init()
97 		cma = &cma_areas[i];  in cma_sysfs_init()
98 		cma->cma_kobj = cma_kobj;  in cma_sysfs_init()
99 		cma_kobj->cma = cma;  in cma_sysfs_init()
101 					   cma_kobj_root, "%s", cma->name);  in cma_sysfs_init()
111 		cma = &cma_areas[i];  in cma_sysfs_init()
112 		kobject_put(&cma->cma_kobj->kobj);  in cma_sysfs_init()