[PATCH 2/2] ARM: mm: don't limit default CMA region only to low memory
From: Michal Nazarewicz <hidden>
Date: 2014-08-24 13:34:40
Also in:
linux-mm
On Thu, Aug 21 2014, Marek Szyprowski [off-list ref] wrote:
DMA-mapping supports CMA regions places either in low or high memory, so there is no longer needed to limit default CMA regions only to low memory. The real limit is still defined by architecture specific DMA limit. Reported-by: Russell King - ARM Linux <redacted> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Michal Nazarewicz <redacted>
quoted hunk ↗ jump to hunk
--- arch/arm/mm/init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 659c75d808dc..c1b513555786 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c@@ -322,7 +322,7 @@ void __init arm_memblock_init(const struct machine_desc *mdesc) * reserve memory for DMA contigouos allocations, * must come from DMA area inside low memory */ - dma_contiguous_reserve(min(arm_dma_limit, arm_lowmem_limit)); + dma_contiguous_reserve(arm_dma_limit); arm_memblock_steal_permitted = false; memblock_dump_all();-- 1.9.2
-- Best regards, _ _ .o. | Liege of Serenely Enlightened Majesty of o' \,=./ `o ..o | Computer Science, Micha? ?mina86? Nazarewicz (o o) ooo +--[off-list ref]--<xmpp:mina86@jabber.org>--ooO--(_)--Ooo--