In the paging mechanism of XEN what is the role of the variable ''idle_pg_table''?? For a 4-levels paging it is defined as external in asm-x86/page.h, like this extern root_pgentry_t <http://lxr.xensource.com/lxr/ident?a=x86_64;i=root_pgentry_t> idle_pg_table <http://lxr.xensource.com/lxr/ident?a=x86_64;i=idle_pg_table>[ROOT_PAGETABLE_ENTRIES <http://lxr.xensource.com/lxr/ident?a=x86_64;i=ROOT_PAGETABLE_ENTRIES>]; extern l2_pgentry_t <http://lxr.xensource.com/lxr/ident?a=x86_64;i=l2_pgentry_t> idle_pg_table_l2 <http://lxr.xensource.com/lxr/ident?a=x86_64;i=idle_pg_table_l2>[ROOT_PAGETABLE_ENTRIES <http://lxr.xensource.com/lxr/ident?a=x86_64;i=ROOT_PAGETABLE_ENTRIES>]; but where is it initialised? and why is there only such as idle table for levels 4 and 2? thanks _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel