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6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash

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Interval checking is now being performed on the values passed in for these two flags. The current acceptable range for RefDiscoveryPolicy is [0..1], and for TLABWasteTargetPercent it is [1..100].

Reviewed-by: apetrusenko, ysr
This commit is contained in:
John Cuthbertson 2010-01-29 14:51:38 -08:00
parent 679f958f72
commit b34027a600
4 changed files with 32 additions and 2 deletions
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2
hotspot/src/share/vm/runtime/arguments.hpp
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@ -336,6 +336,8 @@ class Arguments : AllStatic {
static bool is_bad_option(const JavaVMOption* option, jboolean ignore) {
return is_bad_option(option, ignore, NULL);
}
static bool verify_interval(uintx val, uintx min,
uintx max, const char* name);
static bool verify_percentage(uintx value, const char* name);
static void describe_range_error(ArgsRange errcode);
static ArgsRange check_memory_size(julong size, julong min_size);