RE: [v2 4/4] ARM: dma-mapping: IOMMU allocates pages from atomic_pool with GFP_ATOMIC

Hi Hiroshi, On Thursday, August 23, 2012 8:10 AM Hiroshi Doyu wrote: > Makes use of the same atomic pool from DMA, and skips kernel page > mapping which can involve sleep'able operations at allocating a kernel > page table. > > Signed-off-by: Hiroshi Doyu > --- > arch/arm/mm/dma-mapping.c |

[v2 4/4] ARM: dma-mapping: IOMMU allocates pages from atomic_pool with GFP_ATOMIC

Makes use of the same atomic pool from DMA, and skips kernel page mapping which can involve sleep'able operations at allocating a kernel page table. Signed-off-by: Hiroshi Doyu --- arch/arm/mm/dma-mapping.c | 30 +- 1 files changed, 25 insertions(+), 5 deletions(-)