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List: openjdk-hotspot-runtime-dev
Subject: RFR: 8296155: Simplify CDS heap region address calculation
From: Ioi Lam <iklam () openjdk ! org>
Date: 2022-10-31 22:56:38
Message-ID: y2P_Q9wCDxkprV1leFGi8YoIlseM-2quq0r-cEFABh0=.a583ee78-ac5c-4d2f-aa47-3b2b59f1e52d () github ! com
[Download RAW message or body]
Rewrite and simplify the convoluted logic used to calculate the runtime location of a CDS heap region. Now it's as simple as:
FileMapRegion::dumptime_base() + ArchiveHeapLoader::runtime_delta();
See `FileMapInfo::heap_region_runtime_start_address` for an example.
Also removed dead code:
- `FileMapInfo::is_in_shared_region`
- `MetaspaceShared::is_in_shared_region`
- `FileMapInfo::stop_sharing_and_unmap`
-------------
Commit messages:
- 8296155: Simplify CDS heap region address calculation
Changes: https://git.openjdk.org/jdk/pull/10923/files
Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=10923&range=00
Issue: https://bugs.openjdk.org/browse/JDK-8296155
Stats: 134 lines in 7 files changed: 20 ins; 97 del; 17 mod
Patch: https://git.openjdk.org/jdk/pull/10923.diff
Fetch: git fetch https://git.openjdk.org/jdk pull/10923/head:pull/10923
PR: https://git.openjdk.org/jdk/pull/10923
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