[Varnish] #1198: Make check takes much longer after we started to sync the shmem file

[Varnish]

#1198: Make check takes much longer after we started to sync the shmem file
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 Reporter:  martin  |       Owner:  phk
     Type:  defect  |      Status:  new
 Priority:  normal  |   Milestone:
Component:  build   |     Version:  trunk
 Severity:  normal  |  Resolution:
 Keywords:          |
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Comment (by Poul-Henning Kamp <phk@…>):

 In [8a2fdce41f76c161a130c722d63cbdafddf6337c]:
 {{{
 #!CommitTicketReference repository=""
 revision="8a2fdce41f76c161a130c722d63cbdafddf6337c"
 Only msync() on OS's without coherent buf/vm (aka: OpenBSD)

 Fixes #1198
 }}}

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Ticket URL: <https://www.varnish-cache.org/trac/ticket/1198#comment:2>
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