Hi Robin, David
Thank you for your guidance very much, we'll go ahead and see if some
heap drivers can use carveout heap instead.
Thanks.
Best Regards,
-邮件原件-
发件人: Robin Murphy
发送时间: 2021年8月13日 18:08
收件人: Jichao Zou ; David Hildenbrand ;
a...@linux-foundation.org;
On 2021-08-13 10:46, Jichao Zou wrote:
I got it, but in kernel that we used version, many heap drivers that in
drivers/dma-buf/ are based on CMA, not DMA carveout!
If this patch is not accepted, we cancel it!!!
If you just want dma_alloc_coherent() to work automatically from a
carveout in
I got it, but in kernel that we used version, many heap drivers that in
drivers/dma-buf/ are based on CMA, not DMA carveout!
If this patch is not accepted, we cancel it!!!
Thank you all.
Best Regards,
-邮件原件-
发件人: Robin Murphy
发送时间: 2021年8月13日 17:16
收件人: Jichao Zou ; David Hildenbrand
On 2021-08-13 09:27, Jichao Zou wrote:
Hi David,
I'll git-send-email patch again.
Your understanding is exactly right.
Let me explain the background of Patch, we are developing Android
phone, kernel is 5.10.43 LTS, we encounter cma_alloc failed during kernel
startup,
Hi David,
I'll git-send-email patch again.
Your understanding is exactly right.
Let me explain the background of Patch, we are developing Android
phone, kernel is 5.10.43 LTS, we encounter cma_alloc failed during kernel
startup, buddy system is ready,
01-11