From: Xing Zhengjun <zhengjun.xing@linux.intel.com>
To: Mike Kravetz <mike.kravetz@oracle.com>,
kernel test robot <rong.a.chen@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Michal Hocko <mhocko@kernel.org>, Hugh Dickins <hughd@google.com>,
Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
Andrea Arcangeli <aarcange@redhat.com>,
"Kirill A.Shutemov" <kirill.shutemov@linux.intel.com>,
Davidlohr Bueso <dave@stgolabs.net>,
Prakash Sangappa <prakash.sangappa@oracle.com>,
LKML <linux-kernel@vger.kernel.org>,
lkp@lists.01.org
Subject: Re: [LKP] Re: [hugetlbfs] c0d0381ade: vm-scalability.throughput -33.4% regression
Date: Tue, 13 Oct 2020 14:05:31 +0800 [thread overview]
Message-ID: <6922f83b-32af-0535-c251-5bf2711a0e30@linux.intel.com> (raw)
In-Reply-To: <a44417ad-ad5c-aab6-d656-badd4cfad60e@oracle.com>
On 10/13/2020 11:01 AM, Mike Kravetz wrote:
> On 10/12/20 6:59 PM, Xing Zhengjun wrote:
>>
>>
>> On 10/13/2020 1:40 AM, Mike Kravetz wrote:
>>> On 10/11/20 10:29 PM, Xing Zhengjun wrote:
>>>> Hi Mike,
>>>>
>>>> I re-test it in v5.9-rc8, the regression still existed. It is almost the same as 34ae204f1851. Do you have time to look at it? Thanks.
>>>>
>>>
>>> Thank you for testing.
>>>
>>> Just curious, did you apply the series in this thread or just test v5.9-rc8?
>>> If just testing v5.9-rc8, no changes to this code were added after 34ae204f1851,
>>> so results being the same are expected.
>>>
>>
>> I just test v5.9-rc8. Where can I find the series patches you mentioned here? Or just wait for the next mainline release?
>>
>
> My apologies. I missed that you were not cc'ed on this thred:
> https://lore.kernel.org/linux-mm/20200706202615.32111-1-mike.kravetz@oracle.com/
>
> As mentioned, there will likely be another revision to the way locking is
> handled. The new scheme will try to consider performance as is done in
> the above link. I suggest you wait for next revision. If you do not mind,
> I will cc you when the new code is posted.
>
OK. I will wait for the next revision.
--
Zhengjun Xing
next prev parent reply other threads:[~2020-10-13 6:05 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-22 0:55 [hugetlbfs] c0d0381ade: vm-scalability.throughput -33.4% regression kernel test robot
2020-06-22 0:55 ` kernel test robot
2020-06-22 22:01 ` Mike Kravetz
2020-06-22 22:01 ` Mike Kravetz
2020-06-25 21:33 ` Mike Kravetz
2020-06-25 21:33 ` Mike Kravetz
2020-08-21 8:39 ` [LKP] " Xing Zhengjun
2020-08-21 8:39 ` Xing Zhengjun
2020-08-21 21:02 ` [LKP] " Mike Kravetz
2020-08-21 21:02 ` Mike Kravetz
2020-08-21 23:36 ` [LKP] " Mike Kravetz
2020-08-21 23:36 ` Mike Kravetz
2020-10-12 5:29 ` [LKP] " Xing Zhengjun
2020-10-12 17:40 ` Mike Kravetz
2020-10-13 1:59 ` Xing Zhengjun
2020-10-13 3:01 ` Mike Kravetz
2020-10-13 6:05 ` Xing Zhengjun [this message]
2020-07-06 20:26 ` [RFC PATCH 0/3] hugetlbfs: address fault time regression Mike Kravetz
2020-07-06 20:26 ` [RFC PATCH 1/3] Revert: "hugetlbfs: Use i_mmap_rwsem to address page fault/truncate race" Mike Kravetz
2020-07-06 20:26 ` [RFC PATCH 2/3] hugetlbfs: Only take i_mmap_rwsem when sharing is possible Mike Kravetz
2020-07-21 0:56 ` [hugetlbfs] 878308e2e0: vm-scalability.throughput 1.2% improvement kernel test robot
2020-07-06 20:26 ` [RFC PATCH 3/3] huegtlbfs: handle page fault/truncate races Mike Kravetz
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