patches/fuel-nailgun-agent/0004-AArch64-Read-hugepage-size-from-proc-meminfo.patch

   1 From: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
   2 Date: Sun, 15 Jan 2017 08:14:12 +0100
   3 Subject: [PATCH] AArch64: Read hugepage size from /proc/meminfo
   4
   5 This method should be arch-indepedent, provided /proc/meminfo
   6 reports the correct information.
   7
   8 Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
   9 ---
  10  agent | 7 +++++++
  11  1 file changed, 7 insertions(+)
  12
  13 diff --git a/agent b/agent
  14 index eeb4d26..d514de6 100755
  15 --- a/agent
  16 +++ b/agent
  17 @@ -1399,6 +1399,13 @@ class NodeAgent
  18    def supported_hugepages
  19      return [2048, 1048576] if _get_detailed_cpuinfo['0'][:flags].include?('pdpe1gb')
  20      return [2048] if _get_detailed_cpuinfo['0'][:flags].include?('pse')
  21 +    # AArch64 does not expose CPU flags, but we can rely on /proc/meminfo
  22 +    File.open('/proc/meminfo').each do |l|
  23 +      case l.strip
  24 +        when /Hugepagesize:\s+(\d+)\s+kB/
  25 +          return [$1.to_i()]
  26 +        end
  27 +    end
  28      []
  29    end
  30