On Fri, 6 May 2022 19:43:56 +0800, Zhen Lei wrote: > Changes since [v23]: > Do two minor updates: > 1. Change the value of CRASH_ADDR_HIGH_MAX from memblock.current_limit to (PHYS_MASK + 1). > 2. The 'high' and 'low' are only take effect when crashkernel=X[@offset] does not exist. > If the value of crashkernel=X is invalid, the reservation of crash fails, even if 'high' > and 'low' are configured correctly. > > [...] Applied to arm64 (for-next/crashkernel), finally ;). Thanks! Only patches on top please for the fall-back implementation. [1/6] kdump: return -ENOENT if required cmdline option does not exist https://git.kernel.org/arm64/c/2e5920bb073a [2/6] arm64: Use insert_resource() to simplify code https://git.kernel.org/arm64/c/e6b394425c61 [3/6] arm64: kdump: Reimplement crashkernel=X https://git.kernel.org/arm64/c/944a45abfabc [4/6] of: fdt: Add memory for devices by DT property "linux,usable-memory-range" https://git.kernel.org/arm64/c/fb319e77a0e7 [5/6] of: Support more than one crash kernel regions for kexec -s https://git.kernel.org/arm64/c/8af6b91f5834 [6/6] docs: kdump: Update the crashkernel description for arm64 https://git.kernel.org/arm64/c/5832f1ae5060 -- Catalin