...@vger.kernel.org; linux...@kvack.org;
minc...@kernel.org; song.bao@hisilicon.com; h...@lst.de;
m.szyprow...@samsung.com; iommu@lists.linux-foundation.org; JianQi Yang
; Yanjune Tian
主题: Re: 回复: 回复: [External]Re: An cma optimization patch is used for
cma_[alloc|free].
On 2021-08-13 10:46
...@samsung.com; iommu@lists.linux-foundation.org;
JianQi Yang ; Yanjune Tian
主题: Re: 回复: [External]Re: An cma optimization patch is used for
cma_[alloc|free].
On 2021-08-13 09:27, Jichao Zou wrote:
Hi David,
I'll git-send-email patch again.
Your understanding is exactly right
m; h...@lst.de; m.szyprow...@samsung.com;
> robin.mur...@arm.com; iommu@lists.linux-foundation.org; JianQi Yang
> ; Yanjune Tian
> 主题: [External]Re: An cma optimization patch is used for cma_[alloc|free].
>
> On 13.08.21 09:00, Jichao Zou wrote:
>> Pre-allocate CMA memory tha
; linux...@kvack.org; minc...@kernel.org; song.bao@hisilicon.com;
h...@lst.de; m.szyprow...@samsung.com; robin.mur...@arm.com; iommu@lists.linux-foundation.org;
JianQi Yang ; Yanjune Tian
主题: [External]Re: An cma optimization patch is used for cma_[alloc|free].
On 13.08.21 09:00, Jichao Zou
5:45
收件人: Jichao Zou ; a...@linux-foundation.org;
linux-ker...@vger.kernel.org; linux...@kvack.org; minc...@kernel.org;
song.bao@hisilicon.com; h...@lst.de; m.szyprow...@samsung.com;
robin.mur...@arm.com; iommu@lists.linux-foundation.org; JianQi Yang
; Yanjune Tian
主题: [External]Re: An cma optimi
Pre-allocate CMA memory that configured in device
tree, this greatly improves the CMA memory
allocation efficiency, cma_[alloc|free] is less
than 1ms, old way is took a few ms to tens or
hundreds ms.
Thanks.
Best Regards,
Zou Jichao 邹纪超
Advisory Engineer, SW BSP
MBG ROW SW BJ PF BSP (CN)
On 13.08.21 09:00, Jichao Zou wrote:
Pre-allocate CMA memory that configured in device
tree, this greatly improves the CMA memory
allocation efficiency, cma_[alloc|free] is less
than 1ms, old way is took a few ms to tens or
hundreds ms.
Please send patches as proper emails (man
