On Tue, Mar 13, 2007 at 10:30:10AM -0700, Jeremy Fitzhardinge wrote: > Nick Piggin wrote: > > However we still have to visit those to-be-unmapped parts of the page > > table, > > to find the pages and free them. So we still at least need to bring it > > into > > cache for the read... at which point, the store probably isn't a big > > burden. > > Why not try to find a place to stash a linklist pointer and link them > all together? Saves the pulldown pagetable walk altogether.
Because we'd need one link per mm that a page is mapped in? -- Mathematics is the supreme nostalgia of our time. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/