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Date: Fri, 14 Apr 2017 10:45:44 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Eric Dumazet <edumazet@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>,
        "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
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Subject: Re: [PATCH tip/core/rcu 01/13] mm: Rename SLAB_DESTROY_BY_RCU to
 SLAB_TYPESAFE_BY_RCU
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On Thu, Apr 13, 2017 at 02:30:19PM -0700, Eric Dumazet wrote:
> On Thu, Apr 13, 2017 at 9:17 AM, Peter Zijlstra <peterz@infradead.org> wrote:
> 
> > git log -S SLAB_DESTROY_BY_RCU
> 
> Maybe, but "git log -S" is damn slow at least here.
> 
> While "git grep" is _very_ fast

All true. But in general we don't leave endless markers around like
this.

For instance:

  /* the function formerly known as smp_mb__before_clear_bit() */

is not part of the kernel tree. People that used that thing out of tree
get to deal with it in whatever way they see fit.