Are there still some methods that could be used by the Linux kernel to reduce memory fragmentation while both CONFIG-MIGRATION and CONFIG-COMPACTION are disabled?

[孙世龙 sunshilong]

Hi,

Are there still some methods that could be used by the Linux kernel
to reduce memory fragmentation while both CONFIG-MIGRATION
and CONFIG-COMPACTION are disabled?

Are there some system settings that could make for this goal?

Thank you for your attention to this matter.
Best regards.