[tor-bugs] #25122 [Core Tor/Tor]: geoip: Hook the client geoip cache into the OOM handler

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#25122: geoip: Hook the client geoip cache into the OOM handler
-------------------------------------------------+-------------------------
 Reporter:  dgoulet                              |          Owner:  dgoulet
     Type:  enhancement                          |         Status:
                                                 |  needs_review
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  0.3.3.x-final
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tor-relay, tor-oom, tor-dos,         |  Actual Points:
  029-backport, 031-backport, 032-backport       |
Parent ID:                                       |         Points:
 Reviewer:  nickm                                |        Sponsor:
-------------------------------------------------+-------------------------
Changes (by dgoulet):

 * status:  needs_revision => needs_review


Comment:

 See the two new commits along with the fixup from previous comment. First
 one adds the inc/dec functions for the cache size. Second commit adds a
 new() function for a client map entry.

 Branch: `ticket25122_029_01`

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25122#comment:6>
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