Re: [PATCHSET] mempool, percpu, blkcg: fix percpu stat allocationand remove stats_lock

[Tejun Heo]

Hello,

On Fri, Feb 24, 2012 at 10:44:32PM -0500, Vivek Goyal wrote:
> Booting with blkcg-stacking branch and changing io scheduler from cfq to
> deadline oopsed.
> 
> login: [   67.382768] general protection fault: 0000 [#1] SMP DEBUG_PAGEALLOC
> [   67.383037] CPU 1 
> [   67.383037] Modules linked in: floppy [last unloaded: scsi_wait_scan]
> [   67.383037] 
> [   67.383037] Pid: 4763, comm: bash Not tainted 3.3.0-rc3-tejun-misc+ #6 Hewlett-Packard HP xw6600 Workstation/0A9Ch
> [   67.383037] RIP: 0010:[<ffffffff81311793>]  [<ffffffff81311793>] cfq_put_queue+0xb3/0x1d0

Hmmm... weird.  Looking into it.  I'm away from office for a week and
will probably be slow.

Thanks.

-- 
tejun
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