On Wed, Dec 04, 2013 at 03:24:18PM +0800, ZHAO Gang wrote:
The original code allocate rx dma memory in several dma_alloc_coherent calls,
which causes some problems:
1. since dma_alloc_coherent allocate at least one page memory, it wastes some
memory when allocation size is smaller than one
On Wed, Dec 4, 2013 at 5:05 PM, Mark Einon mark.ei...@gmail.com wrote:
On Wed, Dec 04, 2013 at 03:24:18PM +0800, ZHAO Gang wrote:
The original code allocate rx dma memory in several dma_alloc_coherent calls,
which causes some problems:
1. since dma_alloc_coherent allocate at least one page
On Wed, Dec 4, 2013 at 8:01 PM, ZHAO Gang gamer...@gmail.com wrote:
On Wed, Dec 4, 2013 at 5:05 PM, Mark Einon mark.ei...@gmail.com wrote:
On Wed, Dec 04, 2013 at 03:24:18PM +0800, ZHAO Gang wrote:
The original code allocate rx dma memory in several dma_alloc_coherent
calls,
which causes
On Wed, Dec 4, 2013 at 10:53 PM, Mark Einon mark.ei...@gmail.com wrote:
On Wed, Dec 04, 2013 at 09:32:27PM +0800, ZHAO Gang wrote:
By re-examine the code I found the calculation is not correct. The
real impact is too big to apply this patch, so this patch and
following patches should be
The original code allocate rx dma memory in several dma_alloc_coherent calls,
which causes some problems:
1. since dma_alloc_coherent allocate at least one page memory, it wastes some
memory when allocation size is smaller than one page.
2. it causes et131x_rx_dma_memory_free as complex as
