[I know this is mostly been dealt with already, but due to the immanent release I'll add this to the tracking to make sure Linus becomes aware of this] [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 21.06.23 09:19, kernel test robot wrote: > > kernel test robot noticed a -20.0% regression of vm-scalability.throughput on: > > > commit: 9425c591e06a9ab27a145ba655fb50532cf0bcc9 ("page cache: fix page_cache_next/prev_miss off by one") > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master > [...] Thanks for the report. To be sure the issue doesn't fall through the cracks unnoticed, I'm adding it to regzbot, the Linux kernel regression tracking bot: #regzbot ^introduced 9425c591e06a #regzbot title mm/page cache: performance regression (2 reverts pending) #regzbot monitor: https://lore.kernel.org/all/20230621212403.174710-1-mike.kravetz@xxxxxxxxxx/ #regzbot ignore-activity 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.