From: "Li,Rongqing" <lirongqing@baidu.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Michel Lespinasse <michel@lespinasse.org>,
"dbueso@suse.de" <dbueso@suse.de>,
"mingo@kernel.org" <mingo@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: 答复: 答复: [PATCH] rbtree: stop iteration early in rb_find_first
Date: Wed, 25 Aug 2021 18:26:59 +0000 [thread overview]
Message-ID: <000ff2757fc24d91ade7cab0195ab9b4@baidu.com> (raw)
In-Reply-To: <20210825171850.GD17784@worktop.programming.kicks-ass.net>
On Wed, Aug 25, 2021 at 04:01:53PM +0000, Li,Rongqing wrote:
>
> >>
> >>
> >> 10
> >> /
> >> 5
> >> \
> >> 10
>That again breaks the above case.
10
/
5
\
10
the above case should not exist. like below, when second 10 is inserted, it should be inserted to right leaf
10
/
5
as a result, it should be
10
/ \
5 10
since 10 is not less 10, so new 10 is inserted to right.
and it depends on
bool (*less)(struct rb_node *, const struct rb_node *) which not return true when equal
this case should be ok
10
\
12
/
10
-Li
next prev parent reply other threads:[~2021-08-25 18:27 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-25 9:59 [PATCH] rbtree: stop iteration early in rb_find_first Li RongQing
2021-08-25 11:39 ` Peter Zijlstra
2021-08-25 11:53 ` Michel Lespinasse
2021-08-25 11:58 ` Michel Lespinasse
2021-08-25 12:31 ` Peter Zijlstra
2021-08-25 13:21 ` Peter Zijlstra
2021-08-25 16:08 ` 答复: " Li,Rongqing
[not found] ` <90ea3457ddc7485fbc8db5f7ca5b07ab@baidu.com>
2021-08-25 17:18 ` Peter Zijlstra
2021-08-25 18:26 ` Li,Rongqing [this message]
2021-08-25 19:20 ` 答复: " Peter Zijlstra
2021-08-26 5:03 ` 答复: " Li,Rongqing
2021-08-25 12:29 ` Peter Zijlstra
2021-08-25 12:32 ` Peter Zijlstra
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