>>> On Tue, Jul 31, 2007 at 12:22 PM, in message <1185898941.12034.22.camel@twins>, Peter Zijlstra <peterz@xxxxxxxxxxxxx> 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 - To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html