Messages in this thread | | | Subject | Re: [PATCH] ksm: add vm_stat and meminfo entry to reflect pte mapping to ksm pages | From | Dave Hansen <> | Date | Mon, 28 Feb 2011 18:21:48 -0800 |
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On Sat, 2011-02-26 at 22:56 +0800, Nai Xia wrote > @@ -904,6 +905,10 @@ static int try_to_merge_one_page(struct vm_area_struct > *vma, > */ > set_page_stable_node(page, NULL); > mark_page_accessed(page); > + if (mapcount) > + add_zone_page_state(page_zone(page), > + NR_KSM_PAGES_SHARING, > + mapcount); > err = 0; > } else if (pages_identical(page, kpage)) > err = replace_page(vma, page, kpage, orig_pte);
If you're going to store this per-zone, does it make sense to have it show up in /proc/zoneinfo? meminfo's also getting pretty porky these days, so I almost wonder if it should stay in zoneinfo only.
-- Dave
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