Is there some method or software that could purposely generate a lot of physical memory fragmentations to do some tests on linux?

[孙世龙 sunshilong <sunshilong369@xxxxxxxxx>]

Hi, list
      Is there some method or software that could purposely generate a lot
of physical memory fragmentations to do some tests on Linux?

     I need to do some tests under such circumstances.

    Thank you for your attention to this matter.