Messages in this thread | | | Date | Wed, 17 Oct 2012 14:14:13 -0400 | From | Dave Jones <> | Subject | Re: [patch for-3.7] mm, mempolicy: fix printing stack contents in numa_maps |
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On Tue, Oct 16, 2012 at 10:24:32PM -0700, David Rientjes wrote: > On Wed, 17 Oct 2012, Dave Jones wrote: > > > BUG: sleeping function called from invalid context at kernel/mutex.c:269 > > Hmm, looks like we need to change the refcount semantics entirely. We'll > need to make get_vma_policy() always take a reference and then drop it > accordingly. This work sif get_vma_policy() can grab a reference while > holding task_lock() for the task policy fallback case. > > Comments on this approach?
Seems to be surviving my testing at least..
Dave
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