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Date:   Sun, 18 Jun 2023 12:59:52 +0200
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Subject: Re: [linus:master] [mm] f95bdb700b: stress-ng.ramfs.ops_per_sec
 -88.8% regression
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To:     kernel test robot <yujie.liu@intel.com>,
        Qi Zheng <zhengqi.arch@bytedance.com>
Cc:     oe-lkp@lists.linux.dev, lkp@intel.com,
        linux-kernel@vger.kernel.org,
        Andrew Morton <akpm@linux-foundation.org>,
        Vlastimil Babka <vbabka@suse.cz>, Kirill Tkhai <tkhai@ya.ru>,
        Roman Gushchin <roman.gushchin@linux.dev>,
        =?UTF-8?Q?Christian_K=c3=b6nig?= <christian.koenig@amd.com>,
        David Hildenbrand <david@redhat.com>,
        Davidlohr Bueso <dave@stgolabs.net>,
        Johannes Weiner <hannes@cmpxchg.org>,
        Michal Hocko <mhocko@kernel.org>,
        Muchun Song <muchun.song@linux.dev>,
        "Paul E. McKenney" <paulmck@kernel.org>,
        Shakeel Butt <shakeelb@google.com>,
        Yang Shi <shy828301@gmail.com>, linux-mm@kvack.org,
        ying.huang@intel.com, feng.tang@intel.com, fengwei.yin@intel.com,
        Linux kernel regressions list <regressions@lists.linux.dev>
References: <202305230837.db2c233f-yujie.liu@intel.com>
From:   "Linux regression tracking #adding (Thorsten Leemhuis)" 
        <regressions@leemhuis.info>
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[TLDR: I'm adding this report to the list of tracked Linux kernel
regressions; the text you find below is based on a few templates
paragraphs you might have encountered already in similar form.
See link in footer if these mails annoy you.]

On 23.05.23 03:35, kernel test robot wrote:
> Hello,
> 
> kernel test robot noticed a -88.8% regression of stress-ng.ramfs.ops_per_sec on:
> 
> commit: f95bdb700bc6bb74e1199b1f5f90c613e152cfa7 ("mm: vmscan: make global slab shrink lockless")
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

To be sure Linus is aware of the pending revert before releasing -rc7,
let me add this to the list of tracked regressions:

#regzbot ^introduced f95bdb700bc6bb74e1199b1f5f90c613e152cfa7.
#regzbot title mm: problems with the SRCU changeover (two reverts pending)
#regzbot monitor:
https://lore.kernel.org/all/ZH6K0McWBeCjaf16@dread.disaster.area/
#regzbot fix: Revert "mm: vmscan: make global slab shrink lockless"
#regzbot ignore-activity

Side note: "Revert "mm: vmscan: add shrinker_srcu_generation"" (also in
mm-hotfixes-unstable/next) is related. See
https://lore.kernel.org/all/51cbf269-daff-d7b8-653f-7ba388475ab8@linux.dev/

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
--
Everything you wanna know about Linux kernel regression tracking:
https://linux-regtracking.leemhuis.info/about/#tldr
That page also explains what to do if mails like this annoy you.