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(parent: 5a54e43) | patch
Use SMR to provide a safe unlocked lookup for vm_radix.
authorjeff <jeff@FreeBSD.org>
Wed, 19 Feb 2020 19:58:31 +0000 (19:58 +0000)
committerjeff <jeff@FreeBSD.org>
Wed, 19 Feb 2020 19:58:31 +0000 (19:58 +0000)
commit22d3316afc60c5370876fa82fcc0655bc3bb40d8
tree427681cf38e71618384a5eddfb33939c644d032ctree | snapshot
parent5a54e43ab9a2ecf98a0caa77018f4e922167481dcommit | diff
Use SMR to provide a safe unlocked lookup for vm_radix.

The tree is kept correct for readers with store barriers and careful
ordering.  The existing object lock serializes writers.  Consumers
will be introduced in later commits.

Reviewed by: markj, kib
Differential Revision: https://reviews.freebsd.org/D23446
sys/vm/vm_radix.c diff | blob | history
sys/vm/vm_radix.h diff | blob | history
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