Re: Minor page faults from memory compaction causing in-band transitions

Brandon Ho <[email protected]>
Newsgroups dev.linux.lists.xenomai
Message-ID <[email protected]>
Thank you for the responses! I recently came across the
`compact_unevictable_allowed` sysctl option and it seems like it could be a
good fit for our use case. Setting it to 0 would prevent the kernel from
compacting/migrating locked pages, which should eliminate the minor faults
we're seeing during compaction.

Could we possibly set `compact_unevictable_allowed=0` by default when
CONFIG_EVL is enabled?

https://www.infradead.org/~mchehab/kernel_docs/admin-guide/sysctl/vm.html#compact-unevictable-allowed
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