From: Michael Keyes <mgkeyes@vigovproductions.net>
To: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>,
"Liam.Howlett@oracle.com" <Liam.Howlett@oracle.com>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>
Cc: "maple-tree@lists.infradead.org" <maple-tree@lists.infradead.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"Stable@vger.kernel.org" <Stable@vger.kernel.org>,
"support@spotco.us" <support@spotco.us>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] maple_tree: Make maple state reusable after mas_empty_area()
Date: Thu, 4 May 2023 22:59:27 +0100 [thread overview]
Message-ID: <8143190d-91a2-70c5-41d0-2926197aea09@vigovproductions.net> (raw)
In-Reply-To: <560c0037f71be3b0bfe0109ace30cfb869dc7382.camel@intel.com>
On 04.05.23 20:10, Edgecombe, Rick P wrote:
> On Thu, 2023-05-04 at 13:55 -0400, Liam R. Howlett wrote:
>> Do not update the min and max of the maple state to the slot of the
>> leaf
>> node. Leaving the min and max to the node entry allows for the maple
>> state to be used in other operations.
>>
>> Users would get unexpected results from other operations on the maple
>> state after calling the affected function.
>>
>> Reported-by: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>
>> Reported-by: Tad <support@spotco.us>
>> Reported-by: Michael Keyes <mgkeyes@vigovproductions.net>
>> Link:
>> https://lore.kernel.org/linux-mm/32f156ba80010fd97dbaf0a0cdfc84366608624d.camel@intel.com/
>> Link:
>> https://lore.kernel.org/linux-mm/e6108286ac025c268964a7ead3aab9899f9bc6e9.camel@spotco.us/
>> Fixes: Fixes: 54a611b60590 ("Maple Tree: add new data structure")
>> Cc: <Stable@vger.kernel.org>
>> Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
>> ---
> This fixes it for all the cases I encountered, thanks!
Me too. I had issues running an old version of LuaJIT, and it seems to
be running better than it had in a long time now! Thank you!
--
Michael
next prev parent reply other threads:[~2023-05-04 21:59 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-04 17:55 Liam R. Howlett
2023-05-04 19:10 ` Edgecombe, Rick P
2023-05-04 21:59 ` Michael Keyes [this message]
2023-05-05 3:23 ` Peng Zhang
2023-05-05 13:16 ` Liam R. Howlett
2023-05-05 15:45 ` Peng Zhang
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