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SubjectRe: [PATCH] ksm: add vm_stat and meminfo entry to reflect pte mapping to ksm pages
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>On Tuesday 01 March 2011, at 10:21:48, <Dave Hansen <dave@linux.vnet.ibm.com>> wrote
> 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.

Yes, thanks for pointing out, I will fix it soon. And sorry for the late
response,there was a bug in my mail client which prevents this mail from being
filtered out.

Nai

>
> -- Dave
>
>


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