From: Peter Zijlstra <peterz@infradead.org>
To: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Venkatesh Pallipadi <venki@google.com>,
"mingo@redhat.com" <mingo@redhat.com>,
"hpa@zytor.com" <hpa@zytor.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"linux-tip-commits@vger.kernel.org"
<linux-tip-commits@vger.kernel.org>,
Fabio Checconi <fabio@gandalf.sssup.it>
Subject: Re: [PATCH] rbtree: undo augmented damage -v2
Date: Thu, 03 Jun 2010 09:13:46 +0200 [thread overview]
Message-ID: <1275549226.27810.34762.camel@twins> (raw)
In-Reply-To: <1275513074.2913.258.camel@sbs-t61.sc.intel.com>
On Wed, 2010-06-02 at 14:11 -0700, Suresh Siddha wrote:
> P SL
> / \ / \
> N S ---> N S
> / / \ / \
> C SL SR C SR
>
> If P needs to be removed, we need to re-augment S also in this case,
> right? It looks like we are not handling this case.
rb_augment_erase_begin(P) will return S if I read the code right, so
rb_augment_path(S) will the re-augment S, SL, N.
next prev parent reply other threads:[~2010-06-03 7:13 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-10 19:57 [patch 0/3] x86: Use interval tree to keep track of PAT reserve/free venkatesh.pallipadi
2010-02-10 19:57 ` [patch 1/3] rbtree: Add support for augmented rbtrees venkatesh.pallipadi
2010-02-10 23:23 ` [patch 1/3] rbtree: Add support for augmented rbtrees (ver 2) Pallipadi, Venkatesh
2010-02-19 0:21 ` [tip:x86/pat] rbtree: Add support for augmented rbtrees tip-bot for Pallipadi, Venkatesh
2010-05-27 15:29 ` Peter Zijlstra
2010-05-29 12:29 ` [RFC][PATCH] rbtree: undo augmented damage Peter Zijlstra
2010-05-29 13:31 ` [PATCH] rbtree: undo augmented damage -v2 Peter Zijlstra
2010-06-01 17:00 ` Venkatesh Pallipadi
2010-06-01 17:19 ` Peter Zijlstra
2010-06-01 17:34 ` Peter Zijlstra
2010-06-01 17:34 ` Venkatesh Pallipadi
2010-06-01 17:42 ` Peter Zijlstra
2010-06-01 18:09 ` Venkatesh Pallipadi
2010-06-01 18:42 ` Peter Zijlstra
2010-06-01 20:31 ` Venkatesh Pallipadi
2010-06-02 21:11 ` Suresh Siddha
2010-06-03 1:15 ` Venkatesh Pallipadi
2010-06-03 7:13 ` Peter Zijlstra [this message]
2010-06-03 7:48 ` Peter Zijlstra
2010-06-03 16:04 ` Suresh Siddha
2010-06-09 10:12 ` [tip:x86/pat] rbtree: Undo augmented trees performance damage tip-bot for Peter Zijlstra
2010-07-05 12:48 ` [tip:x86/urgent] rbtree: Undo augmented trees performance damage and regression tip-bot for Peter Zijlstra
2010-02-10 19:57 ` [patch 2/3] x86: Preparatory changes in pat.c for bigger rbtree change venkatesh.pallipadi
2010-02-19 0:22 ` [tip:x86/pat] x86, pat: " tip-bot for venkatesh.pallipadi@intel.com
2010-02-10 19:57 ` [patch 3/3] x86: Migrate to rbtree only backend for pat memtype management venkatesh.pallipadi
2010-02-10 23:26 ` [patch 3/3] x86: Migrate to rbtree only backend for pat memtype management (ver 2) Pallipadi, Venkatesh
2010-02-19 0:22 ` [tip:x86/pat] x86, pat: Migrate to rbtree only backend for pat memtype management tip-bot for Pallipadi, Venkatesh
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