在 2024/8/10 9:29, Kasireddy, Vivek 写道:
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Hi Huan,
When PAGE_SIZE 4096, MAX_PAGE_ORDER 10, 64bit machine,
page_alloc only
Hi Huan,
>
> When PAGE_SIZE 4096, MAX_PAGE_ORDER 10, 64bit machine,
> page_alloc only support 4MB.
> If above this, trigger this warn and return NULL.
>
> udmabuf can change size limit, if change it to 3072(3GB), and then alloc
> 3GB udmabuf, will fail create.
>
> [ 4080.876581] [ c
