[PATCH v21 0/5] support reserving crashkernel above 4G on arm64 kdump

[Baoquan He]

Hi, Lei

On 02/27/22 at 11:07am, Zhen Lei wrote:
> Changes since [v20]:
> 1. Check whether crashkernel=Y,low is incorrectly configured or not configured. Do different processing.
> 2. Share the existing description of x86. The configuration of arm64 is the same as that of x86.
> 3. Define the value of macro CRASH_ADDR_HIGH_MAX as memblock.current_limit, instead of MEMBLOCK_ALLOC_ACCESSIBLE.
> 4. To improve readability, some lightweight code adjustments have been made to reserve_craskernel(), including comments.
> 5. The defined value of DEFAULT_CRASH_KERNEL_LOW_SIZE reconsiders swiotlb, just like x86, to share documents.

5.18 rc1 is already done, do you have plan to post a new version for
reviewing?

Thanks
Baoquan