git: openjdk/jdk: 8315219: G1: Improve allocator pathological case where it keeps doing direct allocations instead of retiring a PLAB

[Ivan Walulya]

Changeset: 47aa6f3a
Author:    Ivan Walulya <iwalulya at openjdk.org>
Date:      2023-08-31 08:04:47 +0000
URL:       https://git.openjdk.org/jdk/commit/47aa6f3a65559d8143511561ac9d18cfb133263e

8315219: G1: Improve allocator pathological case where it keeps doing direct allocations instead of retiring a PLAB

Reviewed-by: tschatzl, ayang, mli

! src/hotspot/share/gc/g1/g1Allocator.cpp
! test/hotspot/jtreg/gc/g1/plab/TestPLABPromotion.java