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.st...@pengutronix.de>
---
mm/cma.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/mm/cma.c b/mm/cma.c
index 3340ef34c154..191c89bf038d 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)
{
--
2.20.1
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