On 10/28/22 15:30, Borislav Petkov wrote:
On Fri, Oct 28, 2022 at 02:26:58PM -0500, Eric DeVolder wrote:config CRASH_MAX_MEMORY_RANGES depends on CRASH_DUMP && KEXEC_FILE && MEMORY_HOTPLUG int default 8192 help For the kexec_file_load path, specify the maximum number of memory regions, eg. as represented by the 'System RAM' entries in /proc/iomem, that the elfcorehdr buffer/segment can accommodate. This value is combined with NR_CPUS and multiplied by Elf64_Phdr size to determine the final buffer size.No, do this: config CRASH_MEMORY_HOTPLUG_SUPPORT depends on CRASH_DUMP && KEXEC_FILE && MEMORY_HOTPLUG help Help text explaining what this feature is this thing will simply get enabled when the user enables MEMORY_HOTPLUG and CRASH_DUMP. and then you do in the code: /* * A comment explaining how the 8192 value has been selected. */ #define CRASH_MAX_MEMORY_RANGES 8192 Thx.
ok, will do! thanks! eric
