Re: [mm/highmem] 61b205f579: WARNING:at_mm/highmem.c:#__kmap_local_sched_out

From: Chaitanya Kulkarni
Date: Tue Mar 09 2021 - 15:53:46 EST


Ira,

On 3/4/21 00:23, kernel test robot wrote:
> Greeting,
>
> FYI, we noticed the following commit (built with gcc-9):
>
> commit: 61b205f579911a11f0b576f73275eca2aed0d108 ("mm/highmem: Convert memcpy_[to|from]_page() to kmap_local_page()")
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
>
>
> in testcase: trinity
> version: trinity-static-i386-x86_64-f93256fb_2019-08-28
> with following parameters:
>
> runtime: 300s
>
> test-description: Trinity is a linux system call fuzz tester.
> test-url: http://codemonkey.org.uk/projects/trinity/
>
>
> on test machine: qemu-system-i386 -enable-kvm -cpu SandyBridge -smp 2 -m 8G
>
> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):

Is the fix for this been posted yet ?

(asking since I didn't see the fix and my mailer is dropping emails from
lkml).