Messages in this thread | | | Subject | Re: [PATCH 0/2][RFC] VFCIPI v3 | From | Peter Zijlstra <> | Date | Tue, 31 Jul 2007 18:22:20 +0200 |
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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.
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