Commit fe54b1fd authored by Marc Carino's avatar Marc Carino Committed by Linus Torvalds

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: default avatarMarc Carino <marc.ceeeee@gmail.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 18ab4d4c
......@@ -258,7 +258,7 @@ 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
......
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