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Differential D22587

Add a lockless lookup mechanism that uses a SMR zone.
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Authored by jeff on Nov 28 2019, 1:17 AM.
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Summary

This uses the UMA SMR zone support from https://reviews.freebsd.org/D22586 to implement a lockless lookup.

It is not yet safe to access the returned page so this can only be used as a bool check. I am sharing this review for an example of a consumer.

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Buildable 27827
Build 26006: arc lint + arc unit

Revision Contents
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sys/
vm/
2 lines
1 line
6 lines
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74 lines

Diff 64989

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sys/vm/vm_init.c

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sys/vm/vm_object.c

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sys/vm/vm_page.c

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sys/vm/vm_radix.h

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sys/vm/vm_radix.c

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