From mboxrd@z Thu Jan 1 00:00:00 1970 From: mina86@mina86.com (Michal Nazarewicz) Date: Sun, 24 Aug 2014 15:34:36 +0200 Subject: [PATCH 2/2] ARM: mm: don't limit default CMA region only to low memory In-Reply-To: <1408610714-16204-3-git-send-email-m.szyprowski@samsung.com> References: <1408610714-16204-1-git-send-email-m.szyprowski@samsung.com> <1408610714-16204-3-git-send-email-m.szyprowski@samsung.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, Aug 21 2014, Marek Szyprowski 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 > Signed-off-by: Marek Szyprowski Acked-by: Michal Nazarewicz > --- > 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 +------ooO--(_)--Ooo--