Name: William Irwin
Member since: 2002-03-14 10:19:45
Last Login: N/A
Homepage: http://www.holomorphy.com/~wli/
Notes:
contributor to the Linux kernel and debian package maintainer
Page clustering is looking pretty stable except for the swap refcounting issue. I managed to blame the wild NMI issue on qlogicisp.c and I'm just sort of grinding away slowly at debugging the do_anonymous_page() antifragmentation heuristics.
cpumask_t stuff is going slow. Probably needs non-x86 support.
I'll get some more ideas eventually.
Got page clustering and NR_CPUS > BITS_PER_LONG stuff on the chopping block. No idea if/when stuff will get merged. Page clustering is taking longer than expected to get bugs flushed out of it. Still hammering it hard.
Wow, it's been a while. Well, I ended up doing a crippled "map shm with 2M/4M pages" flag instead of MPSS, lazy_buddy has pretty much been killed, shared pagetables ended up getting done by dmc, and gang allocation stuff by mbligh. Ugh =(
At least -for_each_task went somewhere. Now I'm pretty much doing hugetlbfs maintenance and doing seek & destroy on various kinds of braindamage.
Shared pagetables are festering. Instead I appear to be going after scsi_malloc() and trimming down the sizes of various data structures, and backporting things too. Oh well, one can only do so much. lazy_buddy and gang_cpu are sort of on hold, though progress seems to be happening.
Looks like I need to do things faster. All the stuff I've been talking about really needs to happen, which I've known all along but seems to be getting impressed upon me by observing various things. No sleep this weekend...
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