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Allow to create swap zone larger than v_page_count / 2.
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Authored by kib on Nov 29 2018, 6:36 PM.
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Details

Summary

If user configured maxswapzone tunable, just take the literal value for the initial zone sizing attempt. Before, it was only possible to reduce the zone by a tunable.

Reported by: jmg

Diff Detail

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rS FreeBSD src repository - subversion
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Event Timeline

markj added inline comments.
sys/vm/swap_pager.c
550 ↗(On Diff #51363)

Perhaps, "taking the user's requested size or estimating the number we need..."?

583 ↗(On Diff #51363)

Did you make this change because uma_zone_reserve_kva() can round up?

This revision is now accepted and ready to land.Nov 29 2018, 9:40 PM
This revision now requires review to proceed.Nov 29 2018, 10:38 PM
kib marked an inline comment as done.Nov 29 2018, 10:39 PM
kib added inline comments.
sys/vm/swap_pager.c
583 ↗(On Diff #51363)

Yes, somebody noted it to me long time ago, but I did not considered it worth fixing alone.

This revision is now accepted and ready to land.Nov 29 2018, 10:44 PM
This revision was automatically updated to reflect the committed changes.