On Fri, Aug 17, 2012 at 3:40 PM, Benjamin Herrenschmidt <b...@kernel.crashing.org> wrote: > On Fri, 2012-08-17 at 23:04 +0300, Aaro Koskinen wrote: >> Hi, >> >> Is there a way to reduce/limit DMA zone with PPC64 kernel (3.6-rcX) >> on G5 Mac? I have tried to search Kconfig or command line options, >> but can't find anything. > > No.
What about Shaohui patches for ZONE_DMA? That's meant to solve exactly this problem? Granted, it sets the DMA zone to 31 bits, but it's simple to hack that to 30 bits. -- Timur Tabi Linux kernel developer at Freescale _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
