Hello Marek
On 2017년 11월 14일 20:07, Marek Szyprowski wrote:
> Hi Jaewon,
>
> On 2017-11-14 09:42, Jaewon Kim wrote:
>> dma-coherent uses bitmap API which internally consider align based on the
>> requested size. Depending on some usage pattern, using align, I think, may
>> be good for fast search
dma-coherent uses bitmap API which internally consider align based on the
requested size. Depending on some usage pattern, using align, I think, may
be good for fast search and anti-fragmentation. But with the align, an
allocation may be failed.
This is a example, total size is 30MB, only few memo
Hi Jaewon,
On 2017-11-14 09:42, Jaewon Kim wrote:
dma-coherent uses bitmap API which internally consider align based on the
requested size. Depending on some usage pattern, using align, I think, may
be good for fast search and anti-fragmentation. But with the align, an
allocation may be failed.