Messages in this thread | | | Date | Fri, 13 Jun 2008 18:03:48 -0400 | From | Rik van Riel <> | Subject | Re: 2.6.26-rc5-mm2 (swap_state.c:77) |
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On Fri, 13 Jun 2008 22:15:01 +0100 (BST) Hugh Dickins <hugh@veritas.com> wrote:
> > I guess we'll need per-mapping flags to help determine where > > a page goes at add_to_page_cache_lru() time. > > The better way would be to add a backing_dev_info flag. (At one > point I had been going to criticize your per-mapping AS_UNEVICTABLE, > to say that one should be a backing_dev_info flag; but no, you're > right, you've the SHM_LOCK case where it has to be per-mapping.)
Good point. I'll take a look at that.
> > > Am I right to think that the memcontrol stuff is now all broken, > > > because memcontrol.c hasn't yet been converted to the more LRUs? > > > Certainly I'm now hanging when trying to run in a restricted memcg. > > > > I believe memcontrol has been converted. Of course, maybe > > they changed some stuff under me that I didn't notice :( > > Ah, yes, there are NR_LRU_LISTS arrays in there now, so it has > the appearance of having been converted. Fine, then it's worth > my looking into why it isn't actually working as intended.
I believe that Lee and Kosaki-san have tested this code, so the breakage could be pretty new.
-- All rights reversed.
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