On Wed, Jul 16 2014, Zubair Lutfullah Kakakhel <[email protected]> wrote: > Adds cma support to the mips architecture. > > cma uses memblock. However, mips uses bootmem.
Does cma_early_percent_memory work correctly then? > bootmem is informed about any regions reserved by memblock Alternatively maybe it would make sense to create a new definition of dma_contiguous_reserve_area that uses bootmem and choose it based on some CONFIG_CMA_USE_BOOTMEM which would be selected by MIPS. > dma api is modified to use cma reserved memory regions when available > > Tested using cma_test. cma_test is a simple driver that assigns blocks > of memory from cma reserved sections. > > Signed-off-by: Zubair Lutfullah Kakakhel <[email protected]> Acked-by: Michal Nazarewicz <[email protected]> > --- > arch/mips/Kconfig | 1 + > arch/mips/include/asm/Kbuild | 1 + > arch/mips/kernel/setup.c | 9 +++++++++ > arch/mips/mm/dma-default.c | 37 +++++++++++++++++++++++++------------ > 4 files changed, 36 insertions(+), 12 deletions(-) > -- Best regards, _ _ .o. | Liege of Serenely Enlightened Majesty of o' \,=./ `o ..o | Computer Science, Michał “mina86” Nazarewicz (o o) ooo +--<[email protected]>--<xmpp:[email protected]>--ooO--(_)--Ooo-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
