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8010722: assert: failed: heap size is too big for compressed oops

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Use conservative assumptions of required alignment for the various garbage collector components into account when determining the maximum heap size that supports compressed oops. Using this conservative value avoids several circular dependencies in the calculation.

Reviewed-by: stefank, dholmes
This commit is contained in:
Thomas Schatzl 2013-09-11 16:25:02 +02:00
parent 6b12e05140
commit 962008f22b
22 changed files with 363 additions and 42 deletions
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8
hotspot/src/share/vm/runtime/os.hpp
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@ -139,7 +139,10 @@ class os: AllStatic {
public:
static void init(void); // Called before command line parsing
static void init_before_ergo(void); // Called after command line parsing
// before VM ergonomics processing.
static jint init_2(void); // Called after command line parsing
// and VM ergonomics processing
static void init_globals(void) { // Called from init_globals() in init.cpp
init_globals_ext();
}
@ -254,6 +257,11 @@ class os: AllStatic {
static size_t page_size_for_region(size_t region_min_size,
size_t region_max_size,
uint min_pages);
// Return the largest page size that can be used
static size_t max_page_size() {
// The _page_sizes array is sorted in descending order.
return _page_sizes[0];
}
// Methods for tracing page sizes returned by the above method; enabled by
// TracePageSizes. The region_{min,max}_size parameters should be the values