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SubjectRe: Raw spinlocks and memory allocation
On Fri, 31 Jul 2020 14:24:57 -0700 "Paul E. McKenney" <paulmck@kernel.org> wrote:

> The reason for this restriction is that in -rt, the spin_lock(&zone->lock)
> in rmqueue_bulk() can sleep.

So if there is runtime overhead, this overhead could be restricted to
-rt kernels with suitable ifdefs?

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