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-rw-r--r--mm/cma.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/cma.h b/mm/cma.h
index 88a0595670..ad61cc6dd4 100644
--- a/mm/cma.h
+++ b/mm/cma.h
@@ -27,6 +27,8 @@ struct cma {
atomic64_t nr_pages_succeeded;
/* the number of CMA page allocation failures */
atomic64_t nr_pages_failed;
+ /* the number of CMA page released */
+ atomic64_t nr_pages_released;
/* kobject requires dynamic object */
struct cma_kobject *cma_kobj;
#endif
@@ -44,10 +46,13 @@ static inline unsigned long cma_bitmap_maxno(struct cma *cma)
#ifdef CONFIG_CMA_SYSFS
void cma_sysfs_account_success_pages(struct cma *cma, unsigned long nr_pages);
void cma_sysfs_account_fail_pages(struct cma *cma, unsigned long nr_pages);
+void cma_sysfs_account_release_pages(struct cma *cma, unsigned long nr_pages);
#else
static inline void cma_sysfs_account_success_pages(struct cma *cma,
unsigned long nr_pages) {};
static inline void cma_sysfs_account_fail_pages(struct cma *cma,
unsigned long nr_pages) {};
+static inline void cma_sysfs_account_release_pages(struct cma *cma,
+ unsigned long nr_pages) {};
#endif
#endif