On Tue, 6 Feb 2007 21:27:03 -0800 (PST) David Rientjes <[EMAIL PROTECTED]> wrote:
> @@ -190,18 +191,20 @@ static int show_map_internal(struct seq_file *m, void > *v, struct mem_size_stats > > if (mss) > seq_printf(m, > - "Size: %8lu kB\n" > - "Rss: %8lu kB\n" > - "Shared_Clean: %8lu kB\n" > - "Shared_Dirty: %8lu kB\n" > - "Private_Clean: %8lu kB\n" > - "Private_Dirty: %8lu kB\n", > + "Size: %8lu kB\n" > + "Rss: %8lu kB\n" > + "Shared_Clean: %8lu kB\n" > + "Shared_Dirty: %8lu kB\n" > + "Private_Clean: %8lu kB\n" > + "Private_Dirty: %8lu kB\n" > + "Pgs_Referenced: %8li\n", I guess we might as well make this %8lu kB as well? > (vma->vm_end - vma->vm_start) >> 10, > mss->resident >> 10, > mss->shared_clean >> 10, > mss->shared_dirty >> 10, > mss->private_clean >> 10, > - mss->private_dirty >> 10); > + mss->private_dirty >> 10, > + mss->referenced); > > ... > > + /* Accumulate the number of pages that have been accessed. */ > + if (PageReferenced(page)) > + mss->referenced++; This is testing the software-referenced bit. We want to be counting the pte-referenced bits (pte_young). Hence poking clear_refs should run pte_mkold(). Perhaps we should also be running ClearPageReferenced and counting pages which are pte_young()||PageReferenced. - 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/
