Re: [PATCH] Fixes for prep_zero_page

[Chris Wright]

* Zwane Mwaikambo (zwane@xxxxxxxxxxxxxxxx) wrote:
> It looks like it's still not happy with CONFIG_DEBUG_PAGEALLOC under load.
> 
> Unable to handle kernel paging request at virtual address ec5d97f4

Is that in vmalloc space?

>  printing eip:
> c014a882
> *pde = 0083e067
> Oops: 0000 [#1]
> PREEMPT SMP DEBUG_PAGEALLOC
> Modules linked in:
> CPU:    0
> EIP:    0060:[<c014a882>]    Not tainted VLI
> EFLAGS: 00010002   (2.6.10-mm2)
> EIP is at check_slabuse+0x52/0xf0

Hmm, isn't that from Manfred's patch to periodically scan?  Doesn't look
to me like it's related to the page prep fixup.  What kind of load, etc?

thanks,
-chris
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