From: Li Zhang <zhlci...@linux.vnet.ibm.com>
Parallel initialisation has been enabled for X86,
boot time is improved greatly.
On Power8, for small memory, it is improved greatly.
Here is the result from my test on Power8 platform:
For 4GB memory: 57% is improved
For 50GB memory: 22% is improve
Signed-off-by: Li Zhang <zhlci...@linux.vnet.ibm.com>
---
arch/powerpc/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index e4824fd..83073c2 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -158,6 +158,7 @@ config PPC
select ARCH_HAS_DEVMEM_IS_ALLOWED
select HAVE_ARCH_SECCOMP_FILTER
select ARCH_HAS_UBSAN_SANITIZE_ALL
+ select ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT
config GENERIC_CSUM
def_bool CPU_LITTLE_ENDIAN
--
2.1.0
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