diff --git a/pygoscelis-config b/pygoscelis-config
index bc89983..a0f88a2 100644
--- a/pygoscelis-config
+++ b/pygoscelis-config
@@ -961,7 +961,7 @@ CONFIG_SHUFFLE_PAGE_ALLOCATOR=y
 CONFIG_SPARSEMEM=y
 CONFIG_SPARSEMEM_EXTREME=y
 CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y
-CONFIG_SPARSEMEM_VMEMMAP=y
+# CONFIG_SPARSEMEM_VMEMMAP is not set
 CONFIG_ARCH_WANT_OPTIMIZE_VMEMMAP=y
 CONFIG_HAVE_FAST_GUP=y
 CONFIG_EXCLUSIVE_SYSTEM_RAM=y
@@ -978,7 +978,7 @@ CONFIG_ARCH_ENABLE_THP_MIGRATION=y
 CONFIG_PHYS_ADDR_T_64BIT=y
 CONFIG_MMU_NOTIFIER=y
 # CONFIG_KSM is not set
-CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
+CONFIG_DEFAULT_MMAP_MIN_ADDR=65536
 CONFIG_ARCH_SUPPORTS_MEMORY_FAILURE=y
 # CONFIG_MEMORY_FAILURE is not set
 CONFIG_ARCH_WANT_GENERAL_HUGETLB=y
@@ -4742,8 +4742,6 @@ CONFIG_TMPFS_XATTR=y
 CONFIG_TMPFS_INODE64=y
 CONFIG_HUGETLBFS=y
 CONFIG_HUGETLB_PAGE=y
-CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP=y
-# CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP_DEFAULT_ON is not set
 CONFIG_MEMFD_CREATE=y
 CONFIG_ARCH_HAS_GIGANTIC_PAGE=y
 # CONFIG_CONFIGFS_FS is not set