Messages in this thread | | | Date | Sun, 29 Jan 2012 21:17:32 +0800 | Subject | Re: [PATCH 1/6] pagemap: avoid splitting thp when reading /proc/pid/pagemap | From | Hillf Danton <> |
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Hi Naoya
On Sat, Jan 28, 2012 at 7:02 AM, Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> wrote: > Thp split is not necessary if we explicitly check whether pmds are > mapping thps or not. This patch introduces this check and adds code > to generate pagemap entries for pmds mapping thps, which results in > less performance impact of pagemap on thp. >
Could the method proposed here cover the two cases of split THP in mem cgroup?
Thanks Hillf
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