Messages in this thread | | | Date | Tue, 31 Jul 2007 12:26:37 -0400 | From | "Gregory Haskins" <> | Subject | Re: [PATCH 0/2][RFC] VFCIPI v3 |
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>>> On Tue, Jul 31, 2007 at 12:22 PM, in message <1185898941.12034.22.camel@twins>, Peter Zijlstra <peterz@infradead.org> 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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