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8237884: ZGC: Use clamp() instead of MIN2(MAX2())

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Reviewed-by: kbarrett, smonteith
This commit is contained in:
Per Lidén 2020-01-30 12:41:59 +01:00
parent 0f06a9a5cd
commit 83911960d4
1 changed files with 3 additions and 2 deletions
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5
src/hotspot/share/gc/z/zHeuristics.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2019, 2020, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -28,6 +28,7 @@
#include "logging/log.hpp"
#include "runtime/globals.hpp"
#include "runtime/os.hpp"
#include "utilities/globalDefinitions.hpp"
#include "utilities/powerOfTwo.hpp"
void ZHeuristics::set_medium_page_size() {
@ -38,7 +39,7 @@ void ZHeuristics::set_medium_page_size() {
const size_t min = ZGranuleSize;
const size_t max = ZGranuleSize * 16;
const size_t unclamped = MaxHeapSize * 0.03125;
const size_t clamped = MIN2(MAX2(min, unclamped), max);
const size_t clamped = clamp(unclamped, min, max);
const size_t size = round_down_power_of_2(clamped);
if (size > ZPageSizeSmall) {