Re: [PATCH] ksm: add vm_stat and meminfo entry to reflect pte mapping to ksm pages
From: xianai@nju.edu.cn <hidden>
Date: 2011-03-18 06:54:43
Also in:
kernel-janitors, lkml
On Tuesday 01 March 2011, at 10:21:48, <Dave Hansen [off-list ref]> wrote On Sat, 2011-02-26 at 22:56 +0800, Nai Xia wrotequoted
@@ -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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