On 04/08/22 at 05:47pm, Leizhen (ThunderTown) wrote: > > > On 2022/4/8 17:32, Baoquan He wrote: > > 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? > > Yes, v5.18-rc1 has added a new patch > commit 031495635b46 ("arm64: Do not defer reserve_crashkernel() for platforms with no DMA memory zones") > to allow block mapping again, so my patches need to be modified. It should be post next week. Sounds great, thanks. Just a reminder, please take your time.