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SubjectRe: __vmalloc with GFP_ATOMIC causes 'sleeping from invalid context'
Nick Piggin wrote:

> OTOH, it doesn't seem to be particularly wrong to allow __vmalloc
> GFP_ATOMIC allocations. The correct fix is to pass the gfp_mask
> to kmalloc: if you're worried about breaking the API, introduce a
> new __get_vm_area_node_mask() and implement __get_vm_area_node()
> as a simple wrapper that passes in GFP_KERNEL.

Oh, and __get_vm_area_node{_mask} should BUG_ON(in_interrupt());

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