RFR: 8256155: Allow multiple large page sizes to be used on Linux [v38]

Thu May 20 15:19:54 UTC 2021

> Change the meaning of LargePageSizeInBytes to be the maximum large page size the JVM may use (not the only one). A default value of zero will mean to allow the JVM use large page sizes up to the system's default large page size.

Marcus G K Williams has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 60 commits:

 - Merge branch 'master' into update_hlp
 - kstefanj review comments

   Signed-off-by: Marcus G K Williams <marcus.williams at intel.com>
 - Reuse flags & p vars, fix enclose

   Signed-off-by: Marcus G K Williams <marcus.williams at intel.com>
 - Check smaller LP sizes in setup

   Signed-off-by: Marcus G K Williams <marcus.williams at intel.com>
 - Merge branch 'master' into update_hlp
 - Check large pages =< _large_page_size

   Signed-off-by: Marcus G K Williams <marcus.williams at intel.com>
 - Review comments 5_12

   Signed-off-by: Marcus G K Williams <marcus.williams at intel.com>
 - Remove reserve_memory_special_huge_tlbfs mods except assert

   Signed-off-by: Marcus G K Williams <marcus.williams at intel.com>
 - Merge branch 'master' into update_hlp
 - Merge branch 'master' into update_hlp
 - ... and 50 more: https://git.openjdk.java.net/jdk/compare/b7b6acd9...aa686775

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Changes: https://git.openjdk.java.net/jdk/pull/1153/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=1153&range=37
  Stats: 151 lines in 3 files changed: 91 ins; 39 del; 21 mod
  Patch: https://git.openjdk.java.net/jdk/pull/1153.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/1153/head:pull/1153

PR: https://git.openjdk.java.net/jdk/pull/1153