Messages in this thread | | | Date | Fri, 30 Nov 2007 09:14:24 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | Re: 2.6.24-rc3-mm2 (bugfix for memory cgroup per-zone-struct allocation.) |
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On Thu, 29 Nov 2007 16:25:33 -0500 Lee Schermerhorn <Lee.Schermerhorn@hp.com> wrote: > > - pn = kmalloc_node(sizeof(*pn), GFP_KERNEL, node); > > + /* > > + * This routine is called against possible nodes. > > + * But it's BUG to call kmalloc() against offline node. > > + * > > + * TODO: this routine can waste much memory for nodes which will > > + * never be onlined. It's better to use memory hotplug callback > > + * function. > > + */ > > + if (node_state(node, N_HIGH_MEMORY)) > > + pn = kmalloc_node(sizeof(*pn), GFP_KERNEL, node); > > + else > > + pn = kmalloc(sizeof(*pn), GFP_KERNEL); > > if (!pn) > > return 1; > > > > > > This worked for me. Can boot 24-rc3-mm2 [if I turn off async scsi scan, > that is--not related to mem controller]. > Thank you !
> Just FYI, on my ia64 platform, with NODES_SHIFT == 8 [RHEL & SLES ship > with 10, I believe], the size of the mem_cgroup structure is ~10KB. > Yes. But... I'll ask Goto-san how memory hotplug callback works and try it.
Thanks, -Kame
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