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device: Allow buffer memory growth to be limited at run time #69

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device: Allow buffer memory growth to be limited at run time #69

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Commits on Feb 26, 2023

  1. device: Allow buffer memory growth to be limited at run time 

    The infinite memory growth allowed by the default PreallocatedBuffersPerPool
setting causes processes to be oom-killed on low memory devices.
This occurs even when a soft limit is set with GOMEMLIMIT.
Specifically running tailscale on a linux device (openwrt, mips, 128MB RAM)
will exhaust all memory and be oom-killed when put under heavy load.
Allowing this value to be overwritten as is done in the iOS build will
allow tuning to cap memory expansion and prevent oom-kill.

see tailscale issue thread for further info:
  tailscale/tailscale#7272

Signed-off-by: Seth Lankford <slankford@gmail.com>
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    gitlankford committed Feb 26, 2023
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Commits on Jun 18, 2023

  1. Merge branch 'WireGuard:master' into master

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    gitlankford committed Jun 18, 2023
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