Differential D36679

cpuset(9): Refer to CPU_SETSIZE not MAXCPU
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Authored by brooks on Sep 23 2022, 6:01 PM.

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cem
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Commits

rG327705fbba74: cpuset(9): Refer to CPU_SETSIZE not MAXCPU
rG87767249233f: cpuset(9): Refer to CPU_SETSIZE not MAXCPU
rG8232a1eddadd: cpuset(9): Refer to CPU_SETSIZE not MAXCPU

Summary

The maximum CPU number a cpuset_t is determined by CPU_SETSIZE. In the
kernel this is MAXCPU, but in userspace it is CPU_SETSIZE which defaults
to 256 and MAXCPU is 1 because it being set to a larger value is gated
on SMP being defined which is not generally the case in userspace.

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rG FreeBSD src repository

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Event Timeline

brooks created this revision.Sep 23 2022, 6:01 PM

Herald added a subscriber: imp. · View Herald TranscriptSep 23 2022, 6:01 PM

brooks requested review of this revision.Sep 23 2022, 6:01 PM

Harbormaster completed remote builds in B47502: Diff 110881.Sep 23 2022, 6:01 PM

jhb accepted this revision.Sep 23 2022, 6:53 PM

This revision is now accepted and ready to land.Sep 23 2022, 6:53 PM

cem accepted this revision.Sep 23 2022, 7:57 PM

Closed by commit rG8232a1eddadd: cpuset(9): Refer to CPU_SETSIZE not MAXCPU (authored by brooks). · Explain WhySep 23 2022, 8:21 PM

This revision was automatically updated to reflect the committed changes.

brooks added a commit: rG8232a1eddadd: cpuset(9): Refer to CPU_SETSIZE not MAXCPU.

brooks added a commit: rG87767249233f: cpuset(9): Refer to CPU_SETSIZE not MAXCPU.Sep 26 2022, 6:13 PM

brooks added a commit: rG327705fbba74: cpuset(9): Refer to CPU_SETSIZE not MAXCPU.Sep 26 2022, 6:16 PM

Revision Contents
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Size

share/

man/

man9/

6 lines

Diff 110885

share/man/man9/cpuset.9

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