>>> On Tue, Jul 31, 2007 at 12:22 PM, in message <1185898941.12034.22.camel@twins>,
Peter Zijlstra <[email protected]> wrote:
> On Tue, 2007-07-31 at 12:14 -0400, Gregory Haskins wrote:
>
>> Out of curiosity and for my own edification: What *is* GFP_ATOMIC meant
> for?
>
> It is meant as you used it, _except_ for !PREEMPT_RT.
>
> With PREEMPT_RT all allocators are fully preemptable, that is both the
> slab as well as the underlying page allocator.
>
> Allocation from atomic context is a BUG() with -rt.
Thanks for the clarification!
-Greg
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