Carsten Otte wrote: > Shaohua Li wrote: > >> +EXPORT_SYMBOL(delete_from_swap_cache); >> +EXPORT_SYMBOL(move_to_swap_cache); >> +EXPORT_SYMBOL(lookup_swap_cache); >> +EXPORT_SYMBOL(read_swap_cache_async); >> +EXPORT_SYMBOL(get_swap_page); >> +EXPORT_SYMBOL(swap_free); >> +EXPORT_SYMBOL(add_to_page_cache_lru); >> > Use EXPORT_SYMBOL_GPL for all of these. > > I fail to see, why this is needed at all. Regular malloc()ed userspace > memory should be just what we want? The s390host prototype does just > that, userspace uses malloc() and the memory will be swapped out just > regular. Am I missing something important? >
For one thing, kvm uses page->private to store its rmap information. This is lost if regular mappings are used. More importantly, both the regular address space and kvm will want to be called when a page is paged out, while this is doable, it isn't easy. -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
