Relax the locking requirements for vm_object_page_noreuse()
ClosedPublic
Actions

Authored by alc on Mar 15 2017, 12:18 PM.

Tags

None

Referenced Files

	Unknown Object (File)
	Thu, May 7, 8:26 PM

	Unknown Object (File)
	Fri, Apr 17, 7:33 AM

	Unknown Object (File)
	Apr 11 2026, 11:11 PM

	Unknown Object (File)
	Apr 11 2026, 11:08 PM

	Unknown Object (File)
	Apr 10 2026, 4:19 AM

	Unknown Object (File)
	Apr 6 2026, 9:37 AM

	Unknown Object (File)
	Apr 6 2026, 5:03 AM

	Unknown Object (File)
	Apr 5 2026, 5:56 AM

View All Files

Subscribers

None

Details

Reviewers

kib
markj

Commits

rS315318: Relax the locking requirements for vm_object_page_noreuse(). While

Summary

While reviewing all uses of OFF_TO_IDX(), I observed that vm_object_page_noreuse() is requiring an exclusive lock on the object when, in fact, a shared lock suffices.

Diff Detail

Repository

rS FreeBSD src repository - subversion

Lint

Lint Not Applicable

Unit

Tests Not Applicable

Event Timeline

alc created this revision.Mar 15 2017, 12:18 PM

kib accepted this revision.Mar 15 2017, 12:31 PM

This revision is now accepted and ready to land.Mar 15 2017, 12:31 PM

markj accepted this revision.Mar 15 2017, 5:12 PM

Closed by commit rS315318: Relax the locking requirements for vm_object_page_noreuse(). While (authored by alc). · Explain WhyMar 15 2017, 5:44 PM

This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

Path

Size

head/

sys/

kern/

vfs_default.c

4 lines

vm/

vm_object.c

2 lines

Diff 26282

View Options

head/sys/kern/vfs_default.c