mm: cma: export functions to get CMA base and size

Make them usable in modules. Some drivers want to know where their
device CMA area is located to make better decisions about the DMA
programming.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/mm/cma.c b/mm/cma.c
index 4973d253dc83..d2ec40b7ee2a 100644
--- a/mm/cma.c
+++ b/mm/cma.c
@@ -44,11 +44,13 @@ phys_addr_t cma_get_base(const struct cma *cma)
 {
 	return PFN_PHYS(cma->base_pfn);
 }
+EXPORT_SYMBOL_GPL(cma_get_base);
 
 unsigned long cma_get_size(const struct cma *cma)
 {
 	return cma->count << PAGE_SHIFT;
 }
+EXPORT_SYMBOL_GPL(cma_get_size);
 
 const char *cma_get_name(const struct cma *cma)
 {