configs: disable CONFIG_RODATA_FULL_DEFAULT_ENABLED

euler inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I4VPIB
CVE: NA

-------------------------------------------------

If this config is enabled, block mapping is not used. The linear address page
table is mapped to 4 KB. As a result, the TLB miss rate is high, affecting
performance.

For examples, tested by libMicro benchmark:
		enable		disable		Improve
memsetP2_10m	3540.37760	2129.715200	66.2%
memset_4k	0.38400		0.204800	87.5%
mprot_twz8k	7.16800		3.072000	133.3%
unmap_ra8k	7.93600		4.096000	93.8%
unmap_wa128k	68.86400	33.024000	108.5%

This additional enhancement can be turned on with rodata=full if this option
is set to 'n'.
Signed-off-by: NChao Liu <liuchao173@huawei.com>
Reviewed-by: NKai Liu <kai.liu@suse.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

arch/arm64/configs/openeuler_defconfig

@@ -434,7 +434,7 @@ CONFIG_ARM64_CPU_PARK=y
 # CONFIG_XEN is not set
 CONFIG_FORCE_MAX_ZONEORDER=11
 CONFIG_UNMAP_KERNEL_AT_EL0=y
-CONFIG_RODATA_FULL_DEFAULT_ENABLED=y
+# CONFIG_RODATA_FULL_DEFAULT_ENABLED is not set
 CONFIG_ARM64_PMEM_RESERVE=y
 CONFIG_ARM64_PMEM_LEGACY=m
 # CONFIG_ARM64_SW_TTBR0_PAN is not set