stan/jdk-24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

8243486: ZGC: Adjust "Allocated" statistics to take undone page allocations into account

Browse Source 
Reviewed-by: eosterlund, stefank
This commit is contained in:
Per Lidén 2020-04-23 19:23:15 +02:00
parent e1f07cd05b
commit 2bf4c06182
1 changed files with 6 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
src/hotspot/share/gc/z/zPageAllocator.cpp
View File

@ -287,12 +287,14 @@ void ZPageAllocator::increase_used(size_t size, bool relocation) {
}
void ZPageAllocator::decrease_used(size_t size, bool reclaimed) {
// Only pages explicitly released with the reclaimed flag set
// counts as reclaimed bytes. This flag is true when we release
// a page after relocation, and is false when we release a page
// to undo an allocation.
if (reclaimed) {
// Only pages explicitly released with the reclaimed flag set
// counts as reclaimed bytes. This flag is typically true when
// a worker releases a page after relocation, and is typically
// false when we release a page to undo an allocation.
_reclaimed += size;
} else {
_allocated -= size;
}
_used -= size;
if (_used < _used_low) {