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Evaluate the real size of the sblk_zone.
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Authored by kib on Oct 13 2017, 3:28 PM.
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Details

Summary

This allows to not waste some small amount of memory, if available.

Submitted by: ota@j.email.ne.jp
PR: 221356

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rS FreeBSD src repository - subversion
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I think that the change is fine, but it needs a comment. Otherwise, this is going to look awfully strange to someone who isn't familiar with the inner works of UMA.

This revision is now accepted and ready to land.Oct 13 2017, 3:37 PM
This revision now requires review to proceed.Oct 13 2017, 3:50 PM
alc added inline comments.
sys/vm/swap_pager.c
546–548 ↗(On Diff #33958)

"Often uma_zone_reserve_kva() cannot reserve exactly the requested size. Account for the difference when calculating swap_maxpages.

This revision is now accepted and ready to land.Oct 13 2017, 4:05 PM
This revision was automatically updated to reflect the committed changes.