diff options
| -rw-r--r-- | include/linux/cma.h | 2 | ||||
| -rw-r--r-- | mm/cma.c | 14 |
2 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/cma.h b/include/linux/cma.h index d41d1f8d1e28..3e8fbf5a5c73 100644 --- a/include/linux/cma.h +++ b/include/linux/cma.h @@ -34,4 +34,6 @@ extern int cma_init_reserved_mem(phys_addr_t base, phys_addr_t size, extern struct page *cma_alloc(struct cma *cma, size_t count, unsigned int align, gfp_t gfp_mask); extern bool cma_release(struct cma *cma, const struct page *pages, unsigned int count); + +extern int cma_for_each_area(int (*it)(struct cma *cma, void *data), void *data); #endif @@ -504,3 +504,17 @@ bool cma_release(struct cma *cma, const struct page *pages, unsigned int count) return true; } + +int cma_for_each_area(int (*it)(struct cma *cma, void *data), void *data) +{ + int i; + + for (i = 0; i < cma_area_count; i++) { + int ret = it(&cma_areas[i], data); + + if (ret) + return ret; + } + + return 0; +} |