hotspot/src/share/vm/gc/g1/g1Allocator.inline.hpp
author ecaspole
Mon, 21 Sep 2015 10:36:36 -0400
changeset 33093 5aa0f908f8cd
parent 32378 8dd0e7359751
child 33105 294e48b4f704
permissions -rw-r--r--
8131645: [ARM64] crash on Cavium when using G1 Summary: Add a fence when creating the CodeRootSetTable so the readers do not see invalid memory. Reviewed-by: aph, tschatzl

/*
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#ifndef SHARE_VM_GC_G1_G1ALLOCATOR_INLINE_HPP
#define SHARE_VM_GC_G1_G1ALLOCATOR_INLINE_HPP

#include "gc/g1/g1Allocator.hpp"
#include "gc/g1/g1AllocRegion.inline.hpp"
#include "gc/shared/plab.inline.hpp"

HeapWord* G1Allocator::attempt_allocation(size_t word_size, AllocationContext_t context) {
  return mutator_alloc_region(context)->attempt_allocation(word_size, false /* bot_updates */);
}

HeapWord* G1Allocator::attempt_allocation_locked(size_t word_size, AllocationContext_t context) {
  HeapWord* result = mutator_alloc_region(context)->attempt_allocation_locked(word_size, false /* bot_updates */);
  assert(result != NULL || mutator_alloc_region(context)->get() == NULL,
         err_msg("Must not have a mutator alloc region if there is no memory, but is " PTR_FORMAT, p2i(mutator_alloc_region(context)->get())));
  return result;
}

HeapWord* G1Allocator::attempt_allocation_force(size_t word_size, AllocationContext_t context) {
  return mutator_alloc_region(context)->attempt_allocation_force(word_size, false /* bot_updates */);
}

inline HeapWord* G1PLABAllocator::plab_allocate(InCSetState dest,
                                                size_t word_sz,
                                                AllocationContext_t context) {
  G1PLAB* buffer = alloc_buffer(dest, context);
  if (_survivor_alignment_bytes == 0 || !dest.is_young()) {
    return buffer->allocate(word_sz);
  } else {
    return buffer->allocate_aligned(word_sz, _survivor_alignment_bytes);
  }
}

#endif // SHARE_VM_GC_G1_G1ALLOCATOR_HPP