From: Wei Yang <richard.weiyang@gmail.com>
To: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Cc: linux-kernel@vger.kernel.org, maple-tree@lists.infradead.org,
linux-mm@kvack.org, akpm@linux-foundation.org,
liam.howlett@oracle.com
Subject: Re: [PATCH 4/5] maple_tree: break on convergence in mas_spanning_rebalance()
Date: Fri, 15 Nov 2024 07:14:44 +0000 [thread overview]
Message-ID: <20241115071444.o5iwkvwpur2lmcnt@master> (raw)
In-Reply-To: <20241114170524.64391-5-sidhartha.kumar@oracle.com>
On Thu, Nov 14, 2024 at 12:05:23PM -0500, Sidhartha Kumar wrote:
>This allows support for using the vacant height to calculate the worst
>case number of nodes needed for wr_rebalance operation.
>mas_spanning_rebalance() was seen to perform unnecessary node allocations.
>We can reduce allocations by breaking early during the rebalancing loop
>once we realize that we have ascended to a common ancestor.
>
>Suggested-by: Liam Howlett <liam.howlett@oracle.com>
>Signed-off-by: Sidhartha Kumar <sidhartha.kumar@oracle.com>
I am just about to send a similar patch :-)
Reviewed-by: Wei Yang <richard.weiyang@gmail.com>
--
Wei Yang
Help you, Help me
next prev parent reply other threads:[~2024-11-15 7:14 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-14 17:05 [PATCH 0/5] Track node vacancy to reduce worst case allocation counts Sidhartha Kumar
2024-11-14 17:05 ` [PATCH 1/5] maple_tree: convert mas_prealloc_calc() to take in a maple write state Sidhartha Kumar
2024-11-14 17:05 ` [PATCH 2/5] maple_tree: use height and depth consistently Sidhartha Kumar
2024-11-14 17:05 ` [PATCH 3/5] maple_tree: use vacant nodes to reduce worst case allocations Sidhartha Kumar
2024-11-15 7:52 ` Wei Yang
2024-11-15 20:34 ` Sidhartha Kumar
2024-11-16 1:41 ` Wei Yang
2024-11-18 16:36 ` Sidhartha Kumar
2024-11-19 2:30 ` Wei Yang
2024-11-19 14:15 ` Liam R. Howlett
2024-11-14 17:05 ` [PATCH 4/5] maple_tree: break on convergence in mas_spanning_rebalance() Sidhartha Kumar
2024-11-15 7:14 ` Wei Yang [this message]
2024-11-14 17:05 ` [PATCH 5/5] maple_tree: add sufficient height Sidhartha Kumar
2024-11-14 21:39 ` [PATCH 0/5] Track node vacancy to reduce worst case allocation counts Sid Kumar
2024-11-19 9:59 ` Wei Yang
2024-11-26 19:32 ` Sidhartha Kumar
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