Subject: + cma-increase-cma_alignment-upper-limit-to-12.patch added to -mm tree
To: marc.ceeeee@xxxxxxxxx,m.szyprowski@xxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Mon, 12 May 2014 16:27:47 -0700
The patch titled
Subject: cma: increase CMA_ALIGNMENT upper limit to 12
has been added to the -mm tree. Its filename is
cma-increase-cma_alignment-upper-limit-to-12.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/cma-increase-cma_alignment-upper-limit-to-12.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/cma-increase-cma_alignment-upper-limit-to-12.patch
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------------------------------------------------------
From: Marc Carino <marc.ceeeee@xxxxxxxxx>
Subject: cma: increase CMA_ALIGNMENT upper limit to 12
Some systems require a larger maximum PAGE_SIZE order for CMA allocations.
To accommodate such systems, increase the upper-bound of the
CMA_ALIGNMENT range to 12 (which ends up being 16MB on systems with 4K
pages).
Signed-off-by: Marc Carino <marc.ceeeee@xxxxxxxxx>
Cc: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/base/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN drivers/base/Kconfig~cma-increase-cma_alignment-upper-limit-to-12 drivers/base/Kconfig
--- a/drivers/base/Kconfig~cma-increase-cma_alignment-upper-limit-to-12
+++ a/drivers/base/Kconfig
@@ -253,7 +253,7 @@ endchoice
config CMA_ALIGNMENT
int "Maximum PAGE_SIZE order of alignment for contiguous buffers"
- range 4 9
+ range 4 12
default 8
help
DMA mapping framework by default aligns all buffers to the smallest
_
Patches currently in -mm which might be from marc.ceeeee@xxxxxxxxx are
cma-increase-cma_alignment-upper-limit-to-12.patch
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