IOMMU_NR_POOLS     84 arch/powerpc/include/asm/iommu.h #define IOMMU_NR_POOLS		(1 << IOMMU_POOL_HASHBITS)
IOMMU_NR_POOLS     10 arch/sparc/include/asm/iommu-common.h #define IOMMU_NR_POOLS          (1 << IOMMU_POOL_HASHBITS)