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Date: Wed, 29 Mar 2017 11:08:52 +0200 From: Peter Zijlstra <peterz@...radead.org> To: Davidlohr Bueso <dave@...olabs.net> Cc: mingo@...nel.org, akpm@...ux-foundation.org, jack@...e.cz, kirill.shutemov@...ux.intel.com, mhocko@...e.com, mgorman@...hsingularity.net, linux-kernel@...r.kernel.org, Davidlohr Bueso <dbueso@...e.de> Subject: Re: [PATCH 1/5] locking: Introduce range reader/writer lock On Mon, Mar 06, 2017 at 09:03:26PM -0800, Davidlohr Bueso wrote: > +#define RANGE_RWLOCK_INFINITY (~0UL - 1) > +#define DEFINE_RANGE_RWLOCK_INF(name) \ > + struct range_rwlock name = __RANGE_RWLOCK_INITIALIZER(0, RANGE_RWLOCK_INFINITY) > +void range_rwlock_init_inf(struct range_rwlock *lock); Ayes I'm a pendant, but that's a very small infinity. I always thought infinity wasn't enumerable. Can we think of a different name here? 'whole' / 'all' / 'full' ?
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