RFR: 8307058: Implementation of Generational ZGC [v6]

Tue May 9 00:54:43 UTC 2023

On Mon, 8 May 2023 12:47:51 GMT, Stefan Karlsson <stefank at openjdk.org> wrote:

> That's unfortunate. Could you try this patch, which probes the address range to see if it can reserve the memory somewhere else within `[ZAddressHeapBase, ZAddressHeapBase+ZAddressOffsetMax)`: https://github.com/stefank/jdk/tree/zgc_generational_review_test_zforwarding

@stefank : Good news is that this gtest case can now pass on linux-riscv64 with this patch. I tried several times and it seems we could always reserve a space of ZGranuleSize(0x200000) bytes at address 0x852000000. Thanks for fixing this!

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/13771#discussion_r1188015373