enable elf huge map by default

euleros inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I4X1VR
CVE: NA

------------
Add defconfig
Signed-off-by: NLiu Zixian <liuzixian4@huawei.com>
Reviewed-by: NZhou Kang <zhoukang7@huawei.com>
Reviewed-by: NKefeng Wang <wangkefeng.wang@huawei.com>

arch/arm64/configs/openeuler_defconfig

@@ -6285,6 +6285,8 @@ CONFIG_HUGETLBFS=y
 CONFIG_HUGETLB_PAGE=y
 CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP=y
 # CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP_DEFAULT_ON is not set
+CONFIG_ENHANCED_HUGETLB_MMAP=y
+CONFIG_EXEC_HUGETLB=y
 CONFIG_MEMFD_CREATE=y
 CONFIG_ARCH_HAS_GIGANTIC_PAGE=y
 CONFIG_CONFIGFS_FS=y

arch/x86/configs/openeuler_defconfig

@@ -7373,6 +7373,8 @@ CONFIG_HUGETLB_PAGE=y
 CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP=y
 # CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP_DEFAULT_ON is not set
 CONFIG_DYNAMIC_HUGETLB=y
+CONFIG_ENHANCED_HUGETLB_MMAP=y
+CONFIG_EXEC_HUGETLB=y
 CONFIG_MEMFD_CREATE=y
 CONFIG_ARCH_HAS_GIGANTIC_PAGE=y
 CONFIG_CONFIGFS_FS=y