Re: [PATCH 2/3] Allocate the hash table under 1G on cell

2008-02-04 Thread Benjamin Herrenschmidt
On Fri, 2008-01-25 at 21:45 +1100, Michael Ellerman wrote: > In order to support our IOMMU performance trick, we need the hash table to be > inside the DMA window. This is usually 2G, but let's make sure the hash table > is under 1G as that will satisfy the IOMMU requirements and also means the >

[PATCH 2/3] Allocate the hash table under 1G on cell

2008-01-25 Thread Michael Ellerman
In order to support our IOMMU performance trick, we need the hash table to be inside the DMA window. This is usually 2G, but let's make sure the hash table is under 1G as that will satisfy the IOMMU requirements and also means the hash table will be on node 0. Signed-off-by: Michael Ellerman <[EMA