[PATCH] CMA: generalize CMA reserved area management functionality (fixup)
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: 2014-07-17 09:36:23
Also in:
kvm, linux-arm-kernel, linux-mm, lkml
Subsystem:
memory management - misc, the rest · Maintainers:
Andrew Morton, David Hildenbrand, Linus Torvalds
MAX_CMA_AREAS is used by other subsystems (i.e. arch/arm/mm/dma-mapping.c), so we need to provide correct definition even if CMA is disabled. This patch fixes this issue. Reported-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> --- include/linux/cma.h | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/include/linux/cma.h b/include/linux/cma.h
index 9a18a2b1934c..c077635cad76 100644
--- a/include/linux/cma.h
+++ b/include/linux/cma.h@@ -5,7 +5,11 @@ * There is always at least global CMA area and a few optional * areas configured in kernel .config. */ +#ifdef CONFIG_CMA #define MAX_CMA_AREAS (1 + CONFIG_CMA_AREAS) +#else +#define MAX_CMA_AREAS (0) +#endif struct cma;
--
1.9.2