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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2013-07-02 07:45:15 +0200 |
|---|---|---|
| committer | Marek Szyprowski <m.szyprowski@samsung.com> | 2013-07-02 10:08:22 +0200 |
| commit | f825c736e75b11adb59ec52a4a1096efddd2ec97 (patch) | |
| tree | 0592b3e3cf216341da2daa072874be0fc7d284d9 /drivers | |
| parent | Linux 3.10 (diff) | |
| download | linux-f825c736e75b11adb59ec52a4a1096efddd2ec97.tar.xz linux-f825c736e75b11adb59ec52a4a1096efddd2ec97.zip | |
mm/cma: Move dma contiguous changes into a seperate config
We want to use CMA for allocating hash page table and real mode area for
PPC64. Hence move DMA contiguous related changes into a seperate config
so that ppc64 can enable CMA without requiring DMA contiguous.
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Acked-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
[removed defconfig changes]
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/base/Kconfig | 20 | ||||
| -rw-r--r-- | drivers/base/Makefile | 2 |
2 files changed, 5 insertions, 17 deletions
diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig index 07abd9d76f7f..10cd80af2aec 100644 --- a/drivers/base/Kconfig +++ b/drivers/base/Kconfig @@ -202,11 +202,9 @@ config DMA_SHARED_BUFFER APIs extension; the file's descriptor can then be passed on to other driver. -config CMA - bool "Contiguous Memory Allocator" - depends on HAVE_DMA_CONTIGUOUS && HAVE_MEMBLOCK - select MIGRATION - select MEMORY_ISOLATION +config DMA_CMA + bool "DMA Contiguous Memory Allocator" + depends on HAVE_DMA_CONTIGUOUS && CMA help This enables the Contiguous Memory Allocator which allows drivers to allocate big physically-contiguous blocks of memory for use with @@ -215,17 +213,7 @@ config CMA For more information see <include/linux/dma-contiguous.h>. If unsure, say "n". -if CMA - -config CMA_DEBUG - bool "CMA debug messages (DEVELOPMENT)" - depends on DEBUG_KERNEL - help - Turns on debug messages in CMA. This produces KERN_DEBUG - messages for every CMA call as well as various messages while - processing calls such as dma_alloc_from_contiguous(). - This option does not affect warning and error messages. - +if DMA_CMA comment "Default contiguous memory area size:" config CMA_SIZE_MBYTES diff --git a/drivers/base/Makefile b/drivers/base/Makefile index 4e22ce3ed73d..5d93bb519753 100644 --- a/drivers/base/Makefile +++ b/drivers/base/Makefile @@ -6,7 +6,7 @@ obj-y := core.o bus.o dd.o syscore.o \ attribute_container.o transport_class.o \ topology.o obj-$(CONFIG_DEVTMPFS) += devtmpfs.o -obj-$(CONFIG_CMA) += dma-contiguous.o +obj-$(CONFIG_DMA_CMA) += dma-contiguous.o obj-y += power/ obj-$(CONFIG_HAS_DMA) += dma-mapping.o obj-$(CONFIG_HAVE_GENERIC_DMA_COHERENT) += dma-coherent.o |