git: openjdk/jdk17u: master: 8275426: PretouchTask num_chunks calculation can overflow

[Aleksey Shipilev]

Changeset: 66c051a9
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2021-11-22 07:03:07 +0000
URL:       https://git.openjdk.java.net/jdk17u/commit/66c051a9c3c3d889cee080510abbd0173e4ee7be

8275426: PretouchTask num_chunks calculation can overflow

Reviewed-by: kbarrett
Backport-of: 60cb27dcda475a66e329359ac1ee3ffcde95c657

! src/hotspot/share/gc/shared/pretouchTask.cpp