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@xxxxxxxxxxxxxx> --- 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