src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp

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*** 949,959 **** // compute expansion delta needed for reaching desired free percentage if (free_percentage < desired_free_percentage) { size_t desired_capacity = (size_t)(used() / ((double) 1 - desired_free_percentage)); assert(desired_capacity >= capacity(), "invalid expansion size"); ! size_t expand_bytes = MAX2(desired_capacity - capacity(), MinHeapDeltaBytes); if (PrintGCDetails && Verbose) { size_t desired_capacity = (size_t)(used() / ((double) 1 - desired_free_percentage)); gclog_or_tty->print_cr("\nFrom compute_new_size: "); gclog_or_tty->print_cr(" Free fraction %f", free_percentage); gclog_or_tty->print_cr(" Desired free fraction %f", --- 949,959 ---- // compute expansion delta needed for reaching desired free percentage if (free_percentage < desired_free_percentage) { size_t desired_capacity = (size_t)(used() / ((double) 1 - desired_free_percentage)); assert(desired_capacity >= capacity(), "invalid expansion size"); ! size_t expand_bytes = MAX2(desired_capacity - capacity(), (size_t)MinHeapDeltaBytes); if (PrintGCDetails && Verbose) { size_t desired_capacity = (size_t)(used() / ((double) 1 - desired_free_percentage)); gclog_or_tty->print_cr("\nFrom compute_new_size: "); gclog_or_tty->print_cr(" Free fraction %f", free_percentage); gclog_or_tty->print_cr(" Desired free fraction %f",
*** 6554,6564 **** CMSPhaseAccounting cmspa(this, "reset", !PrintGCDetails); HeapWord* curAddr = _markBitMap.startWord(); while (curAddr < _markBitMap.endWord()) { size_t remaining = pointer_delta(_markBitMap.endWord(), curAddr); ! MemRegion chunk(curAddr, MIN2(CMSBitMapYieldQuantum, remaining)); _markBitMap.clear_large_range(chunk); if (ConcurrentMarkSweepThread::should_yield() && !foregroundGCIsActive() && CMSYield) { assert(ConcurrentMarkSweepThread::cms_thread_has_cms_token(), --- 6554,6564 ---- CMSPhaseAccounting cmspa(this, "reset", !PrintGCDetails); HeapWord* curAddr = _markBitMap.startWord(); while (curAddr < _markBitMap.endWord()) { size_t remaining = pointer_delta(_markBitMap.endWord(), curAddr); ! MemRegion chunk(curAddr, MIN2((size_t)CMSBitMapYieldQuantum, remaining)); _markBitMap.clear_large_range(chunk); if (ConcurrentMarkSweepThread::should_yield() && !foregroundGCIsActive() && CMSYield) { assert(ConcurrentMarkSweepThread::cms_thread_has_cms_token(),
*** 6853,6863 **** gclog_or_tty->print_cr(" (benign) Hit CMSMarkStack max size limit"); } return; } // Double capacity if possible ! size_t new_capacity = MIN2(_capacity*2, MarkStackSizeMax); // Do not give up existing stack until we have managed to // get the double capacity that we desired. ReservedSpace rs(ReservedSpace::allocation_align_size_up( new_capacity * sizeof(oop))); if (rs.is_reserved()) { --- 6853,6863 ---- gclog_or_tty->print_cr(" (benign) Hit CMSMarkStack max size limit"); } return; } // Double capacity if possible ! size_t new_capacity = MIN2(_capacity*2, (size_t)MarkStackSizeMax); // Do not give up existing stack until we have managed to // get the double capacity that we desired. ReservedSpace rs(ReservedSpace::allocation_align_size_up( new_capacity * sizeof(oop))); if (rs.is_reserved()) {