标签: memory linux-kernel
如果Linux 2.6.x内核启用了这些选项:
CONFIG_X86_4G=y CONFIG_X86_SWITCH_PAGETABLES=y CONFIG_X86_4G_VM_LAYOUT=y CONFIG_X86_UACCESS_INDIRECT=y CONFIG_X86_HIGH_ENTRY=y
地址布局如何变化?