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Date:   Fri, 14 Apr 2017 10:45:44 +0200
From:   Peter Zijlstra <>
To:     Eric Dumazet <>
Cc:     Vlastimil Babka <>,
        "Paul E. McKenney" <>,
        LKML <>,
        Ingo Molnar <>,,, Andrew Morton <>,
        Mathieu Desnoyers <>,
        Josh Triplett <>,
        Thomas Gleixner <>,
        Steven Rostedt <>,
        David Howells <>,
        Frederic Weisbecker <>,,
        pranith kumar <>,
        Christoph Lameter <>,
        Pekka Enberg <>,
        David Rientjes <>,
        Joonsoo Kim <>,
        linux-mm <>
Subject: Re: [PATCH tip/core/rcu 01/13] mm: Rename SLAB_DESTROY_BY_RCU to

On Thu, Apr 13, 2017 at 02:30:19PM -0700, Eric Dumazet wrote:
> On Thu, Apr 13, 2017 at 9:17 AM, Peter Zijlstra <> 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

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.

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