Re: [PATCH 5.4 0/1] mm: allow a controlled amount of unfairness in the page lock

[Saeed Mirzamohammadi]

> On Aug 22, 2023, at 12:08 AM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> 
> On Mon, Aug 21, 2023 at 03:25:45PM -0700, Saeed Mirzamohammadi wrote:
>> We observed a 35% of regression running phoronix pts/ramspeed and also 16%
>> with unixbench. Regression is caused by the following commit:
>> dd0f194cfeb5 | mm: rewrite wait_on_page_bit_common() logic
> 
> That is not a valid git id in Linus's or in the linux-stable repo that I
> can see.  Are you sure that it is correct?

Sorry for the incorrect sha. Here are the correct ones:

  kernel_dot_org/linux-stable.git    linux-5.4.y            - c32ab1c1959a
  kernel_dot_org/torvalds_linux.git  master                 - 2a9127fcf229
  kernel_dot_org/linux-stable.git    master                 - 2a9127fcf229
---
  subject          : mm: rewrite wait_on_page_bit_common() logic
  author           : torvalds@xxxxxxxxxxxxxxxxxxxx
  author date      : 2020-07-23 17:16:49

Thanks,
Saeed

> 
> thanks,
> 
> greg k-h