From: Peter Zijlstra <peterz@infradead.org>
To: Michel Lespinasse <walken@google.com>
Cc: aarcange@redhat.com, dwmw2@infradead.org, riel@redhat.com,
daniel.santos@pobox.com, axboe@kernel.dk, ebiederm@xmission.com,
linux-mm@kvack.org, akpm@linux-foundation.org,
linux-kernel@vger.kernel.org, torvalds@linux-foundation.org
Subject: Re: [PATCH 00/13] rbtree updates
Date: Thu, 12 Jul 2012 16:09:55 +0200 [thread overview]
Message-ID: <1342102195.28010.4.camel@twins> (raw)
In-Reply-To: <20120712011208.GA1152@google.com>
On Wed, 2012-07-11 at 18:12 -0700, Michel Lespinasse wrote:
> Do you mean the case you marked XXX ? it is actually parent that is
> red, which we know because we tested that a few lines earlier.
>
> > @@ -85,12 +104,27 @@ void rb_insert_color(struct rb_node *nod
> > } else if (rb_is_black(parent))
> > break;
> >
> > + /*
> > + * XXX
> > + */
> > gparent = rb_red_parent(parent);
>
> See :)
D'0h, I got confused and thought the red was for the parent's parent,
not parent.
Quite.. ignore that then.
WARNING: multiple messages have this Message-ID (diff)
From: Peter Zijlstra <peterz@infradead.org>
To: Michel Lespinasse <walken@google.com>
Cc: aarcange@redhat.com, dwmw2@infradead.org, riel@redhat.com,
daniel.santos@pobox.com, axboe@kernel.dk, ebiederm@xmission.com,
linux-mm@kvack.org, akpm@linux-foundation.org,
linux-kernel@vger.kernel.org, torvalds@linux-foundation.org
Subject: Re: [PATCH 00/13] rbtree updates
Date: Thu, 12 Jul 2012 16:09:55 +0200 [thread overview]
Message-ID: <1342102195.28010.4.camel@twins> (raw)
In-Reply-To: <20120712011208.GA1152@google.com>
On Wed, 2012-07-11 at 18:12 -0700, Michel Lespinasse wrote:
> Do you mean the case you marked XXX ? it is actually parent that is
> red, which we know because we tested that a few lines earlier.
>
> > @@ -85,12 +104,27 @@ void rb_insert_color(struct rb_node *nod
> > } else if (rb_is_black(parent))
> > break;
> >
> > + /*
> > + * XXX
> > + */
> > gparent = rb_red_parent(parent);
>
> See :)
D'0h, I got confused and thought the red was for the parent's parent,
not parent.
Quite.. ignore that then.
--
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next prev parent reply other threads:[~2012-07-12 14:10 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-09 23:35 [PATCH 00/13] rbtree updates Michel Lespinasse
2012-07-09 23:35 ` Michel Lespinasse
2012-07-09 23:35 ` [PATCH 01/13] rbtree: reference Documentation/rbtree.txt for usage instructions Michel Lespinasse
2012-07-09 23:35 ` Michel Lespinasse
2012-07-10 1:45 ` Rik van Riel
2012-07-10 1:45 ` Rik van Riel
2012-07-09 23:35 ` [PATCH 02/13] rbtree: empty nodes have no color Michel Lespinasse
2012-07-09 23:35 ` Michel Lespinasse
2012-07-10 10:59 ` Daniel Santos
2012-07-10 10:59 ` Daniel Santos
2012-07-10 23:10 ` Michel Lespinasse
2012-07-10 23:10 ` Michel Lespinasse
2012-07-09 23:35 ` [PATCH 03/13] rbtree: fix incorrect rbtree node insertion in fs/proc/proc_sysctl.c Michel Lespinasse
2012-07-09 23:35 ` Michel Lespinasse
2012-07-09 23:35 ` [PATCH 04/13] rbtree: move some implementation details from rbtree.h to rbtree.c Michel Lespinasse
2012-07-09 23:35 ` Michel Lespinasse
2012-07-10 12:19 ` Michal Nazarewicz
2012-07-10 12:19 ` Michal Nazarewicz
2012-07-10 23:12 ` Michel Lespinasse
2012-07-10 23:12 ` Michel Lespinasse
2012-07-11 15:48 ` Michal Nazarewicz
2012-07-11 15:48 ` Michal Nazarewicz
2012-07-09 23:35 ` [PATCH 05/13] rbtree: performance and correctness test Michel Lespinasse
2012-07-09 23:35 ` Michel Lespinasse
2012-07-10 12:27 ` Michal Nazarewicz
2012-07-10 12:27 ` Michal Nazarewicz
2012-07-10 23:18 ` Michel Lespinasse
2012-07-10 23:18 ` Michel Lespinasse
2012-07-11 6:14 ` Michel Lespinasse
2012-07-11 6:14 ` Michel Lespinasse
2012-07-11 19:30 ` Daniel Santos
2012-07-11 19:30 ` Daniel Santos
2012-07-09 23:35 ` [PATCH 06/13] rbtree: break out of rb_insert_color loop after tree rotation Michel Lespinasse
2012-07-09 23:35 ` Michel Lespinasse
2012-07-09 23:35 ` [PATCH 07/13] rbtree: adjust root color in rb_insert_color() only when necessary Michel Lespinasse
2012-07-09 23:35 ` Michel Lespinasse
2012-07-09 23:35 ` [PATCH 08/13] rbtree: optimize tree rotations in rb_insert_color() Michel Lespinasse
2012-07-09 23:35 ` Michel Lespinasse
2012-07-09 23:35 ` [PATCH 09/13] rbtree: optimize color flips and parent fetching " Michel Lespinasse
2012-07-09 23:35 ` Michel Lespinasse
2012-07-09 23:35 ` [PATCH 10/13] rbtree: adjust node color in __rb_erase_color() only when necessary Michel Lespinasse
2012-07-09 23:35 ` Michel Lespinasse
2012-07-09 23:35 ` [PATCH 11/13] rbtree: optimize case selection logic in __rb_erase_color() Michel Lespinasse
2012-07-09 23:35 ` Michel Lespinasse
2012-07-09 23:35 ` [PATCH 12/13] rbtree: optimize tree rotations " Michel Lespinasse
2012-07-09 23:35 ` Michel Lespinasse
2012-07-09 23:35 ` [PATCH 13/13] rbtree: optimize color flips " Michel Lespinasse
2012-07-09 23:35 ` Michel Lespinasse
2012-07-11 13:23 ` [PATCH 00/13] rbtree updates Peter Zijlstra
2012-07-11 13:23 ` Peter Zijlstra
2012-07-12 1:12 ` Michel Lespinasse
2012-07-12 1:12 ` Michel Lespinasse
2012-07-12 14:09 ` Peter Zijlstra [this message]
2012-07-12 14:09 ` Peter Zijlstra
2012-07-12 14:12 ` Peter Zijlstra
2012-07-12 14:12 ` Peter Zijlstra
2012-07-13 0:39 ` Michel Lespinasse
2012-07-13 0:39 ` Michel Lespinasse
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