A sane initial value is 80 MB.
-# For architectures that support deferred memory initialisation
-config ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT
- bool
-
config DEFERRED_STRUCT_PAGE_INIT
bool "Defer initialisation of struct pages to kthreads"
default n
- depends on ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT
- depends on NO_BOOTMEM && MEMORY_HOTPLUG
+ depends on NO_BOOTMEM
depends on !FLATMEM
help
Ordinarily all struct pages are initialised during early boot in a