Am 01.06.2014 15:08, schrieb Real Name: > From: Honggang Li <enjoymind...@gmail.com> > > 1) uml kernel bootmem managed through bootmem_data->node_bootmem_map, > not the struct page array, so the array is unnecessary. > > 2) the bootmem struct page array has been pointed by a *local* pointer, > struct page *map, in init_maps function. The array can be accessed only > in init_maps's scope. As a result, uml kernel wastes about 1% of total > memory.
I reread your patch again. You missed one important point. init_maps() setups max_mapnr which is used by virt_addr_valid(). We have to be extremely careful here to not introduce a subtle fuckup. Thanks, //richard ------------------------------------------------------------------------------ Time is money. Stop wasting it! Get your web API in 5 minutes. www.restlet.com/download http://p.sf.net/sfu/restlet _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel
