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    SubjectRe: [PATCH -mm][preview] memcg: a patch series for next [0/9]
    On Tue, 19 Aug 2008 18:11:50 +0900
    Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> wrote:

    > On Tue, 19 Aug 2008 17:30:14 +0900, KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote:
    > > Hi,
    > >
    > > This post is for showing what I'm trying now.
    > >
    > > This patch set is for memory resource controller.
    > > 4 purposes here.
    > > - improve performance of memcg.
    > > - remove lock_page_cgroup()
    > > - making page_cgroup->flags to be atomic_ops.
    > > - support mem+swap controller.
    > >
    >
    > Thank you for working on mem+swap controller.
    >
    > I'll review and comment later.
    >
    My next version (writing now) will be much cleaner and clearer than this ;)
    So, please review only if you have free time.

    Thanks,
    -Kame

    >
    > Thanks,
    > Daisuke Nishimura.
    >
    > > But this is still under test and the series is not well organised.
    > > and base tree is old. (2.6.27-rc1-mm1) I'll rebase this set to newer mmtom tree.
    > >
    > > Maybe this set have some troubles/objections but I think the direction is not bad.
    > >
    > > Patch description. (patch ordering is bad. I'll fix in the next post.)
    > >
    > > [1/9] ... private_counter ...replace res_counter with my own counter.
    > > This is for supporting mem+swap controller.
    > > (And I think memcg has a bit different characteristics from other
    > > users of res_counter....)
    > >
    > > [2/9] ... change-order-uncharge ...
    > > This patch is for making it easy to handle swap-cache.
    > >
    > > [3/9] ... atomic_flags
    > > This patch changes operations for page_cgroup->flags to be atomic_ops.
    > >
    > > [4/9] ... delayed freeing.
    > > delaying to free page_cgroup at uncharge.
    > >
    > > [5/9] ... RCU freeing of page_cgroup
    > > free page_cgroup by RCU.
    > >
    > > [6/9] ... lockress page cgroup.
    > > remove lock_page_cgroup() and use RCU semantics.
    > >
    > > [7/9] ... add preftech
    > > add prefetch() macro
    > >
    > > [8/9] ... mem+swap controller base.
    > > introduce mem+swap controller. A bit big patch....but have tons of TODO.
    > > and have troubles. (it seems it's difficult to cause OOM killer.)
    > >
    > > [9/9] ... mem+swap controller control files.
    > > add mem+swap controller's control files.
    > >
    > > I'd like to push patch [2,3,4,5,6,7] first.
    > >
    > > Thanks,
    > > -Kame
    > >
    >



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