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src/share/vm/gc/g1/g1AllocRegion.inline.hpp
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rev 8868 : imported patch 8067336-allow-that-plab-allocations-at-end-of-regions-are-flexible
rev 8869 : [mq]: refactor-desired-actual-size
rev 8870 : [mq]: tom-review
*** 39,122 ****
return alloc_region->allocate(word_size);
}
}
inline HeapWord* G1AllocRegion::par_allocate(HeapRegion* alloc_region, size_t word_size, bool bot_updates) {
! return par_allocate(alloc_region, word_size, &word_size, bot_updates);
}
inline HeapWord* G1AllocRegion::par_allocate(HeapRegion* alloc_region,
size_t min_word_size,
! size_t* word_size,
bool bot_updates) {
assert(alloc_region != NULL, err_msg("pre-condition"));
assert(!alloc_region->is_empty(), err_msg("pre-condition"));
if (!bot_updates) {
! return alloc_region->par_allocate_no_bot_updates(min_word_size, word_size);
} else {
! return alloc_region->par_allocate(min_word_size, word_size);
}
}
inline HeapWord* G1AllocRegion::attempt_allocation(size_t word_size, bool bot_updates) {
! return attempt_allocation(word_size, &word_size, bot_updates);
}
inline HeapWord* G1AllocRegion::attempt_allocation(size_t min_word_size,
! size_t* word_size,
bool bot_updates) {
assert(bot_updates == _bot_updates, ar_ext_msg(this, "pre-condition"));
HeapRegion* alloc_region = _alloc_region;
assert(alloc_region != NULL, ar_ext_msg(this, "not initialized properly"));
! HeapWord* result = par_allocate(alloc_region, min_word_size, word_size, bot_updates);
if (result != NULL) {
! trace("alloc", *word_size, result);
return result;
}
! trace("alloc failed", *word_size);
return NULL;
}
inline HeapWord* G1AllocRegion::attempt_allocation_locked(size_t word_size, bool bot_updates) {
! return attempt_allocation_locked(word_size, &word_size, bot_updates);
}
inline HeapWord* G1AllocRegion::attempt_allocation_locked(size_t min_word_size,
! size_t* word_size,
bool bot_updates) {
// First we have to redo the allocation, assuming we're holding the
// appropriate lock, in case another thread changed the region while
// we were waiting to get the lock.
! HeapWord* result = attempt_allocation(min_word_size, word_size, bot_updates);
if (result != NULL) {
return result;
}
retire(true /* fill_up */);
! result = new_alloc_region_and_allocate(*word_size, false /* force */);
if (result != NULL) {
! trace("alloc locked (second attempt)", *word_size, result);
return result;
}
! trace("alloc locked failed", *word_size);
return NULL;
}
inline HeapWord* G1AllocRegion::attempt_allocation_force(size_t word_size,
bool bot_updates) {
assert(bot_updates == _bot_updates, ar_ext_msg(this, "pre-condition"));
assert(_alloc_region != NULL, ar_ext_msg(this, "not initialized properly"));
! trace("forcing alloc");
HeapWord* result = new_alloc_region_and_allocate(word_size, true /* force */);
if (result != NULL) {
! trace("alloc forced", word_size, result);
return result;
}
! trace("alloc forced failed", word_size);
return NULL;
}
#endif // SHARE_VM_GC_G1_G1ALLOCREGION_INLINE_HPP
--- 39,129 ----
return alloc_region->allocate(word_size);
}
}
inline HeapWord* G1AllocRegion::par_allocate(HeapRegion* alloc_region, size_t word_size, bool bot_updates) {
! size_t temp;
! return par_allocate(alloc_region, word_size, word_size, &temp, bot_updates);
}
inline HeapWord* G1AllocRegion::par_allocate(HeapRegion* alloc_region,
size_t min_word_size,
! size_t desired_word_size,
! size_t* actual_word_size,
bool bot_updates) {
assert(alloc_region != NULL, err_msg("pre-condition"));
assert(!alloc_region->is_empty(), err_msg("pre-condition"));
if (!bot_updates) {
! return alloc_region->par_allocate_no_bot_updates(min_word_size, desired_word_size, actual_word_size);
} else {
! return alloc_region->par_allocate(min_word_size, desired_word_size, actual_word_size);
}
}
inline HeapWord* G1AllocRegion::attempt_allocation(size_t word_size, bool bot_updates) {
! size_t temp;
! return attempt_allocation(word_size, word_size, &temp, bot_updates);
}
inline HeapWord* G1AllocRegion::attempt_allocation(size_t min_word_size,
! size_t desired_word_size,
! size_t* actual_word_size,
bool bot_updates) {
assert(bot_updates == _bot_updates, ar_ext_msg(this, "pre-condition"));
HeapRegion* alloc_region = _alloc_region;
assert(alloc_region != NULL, ar_ext_msg(this, "not initialized properly"));
! HeapWord* result = par_allocate(alloc_region, min_word_size, desired_word_size, actual_word_size, bot_updates);
if (result != NULL) {
! trace("alloc", min_word_size, desired_word_size, *actual_word_size, result);
return result;
}
! trace("alloc failed", min_word_size, desired_word_size);
return NULL;
}
inline HeapWord* G1AllocRegion::attempt_allocation_locked(size_t word_size, bool bot_updates) {
! size_t temp;
! return attempt_allocation_locked(word_size, word_size, &temp, bot_updates);
}
inline HeapWord* G1AllocRegion::attempt_allocation_locked(size_t min_word_size,
! size_t desired_word_size,
! size_t* actual_word_size,
bool bot_updates) {
// First we have to redo the allocation, assuming we're holding the
// appropriate lock, in case another thread changed the region while
// we were waiting to get the lock.
! HeapWord* result = attempt_allocation(min_word_size, desired_word_size, actual_word_size, bot_updates);
if (result != NULL) {
return result;
}
retire(true /* fill_up */);
! result = new_alloc_region_and_allocate(desired_word_size, false /* force */);
if (result != NULL) {
! *actual_word_size = desired_word_size;
! trace("alloc locked (second attempt)", min_word_size, desired_word_size, *actual_word_size, result);
return result;
}
! trace("alloc locked failed", min_word_size, desired_word_size);
return NULL;
}
inline HeapWord* G1AllocRegion::attempt_allocation_force(size_t word_size,
bool bot_updates) {
assert(bot_updates == _bot_updates, ar_ext_msg(this, "pre-condition"));
assert(_alloc_region != NULL, ar_ext_msg(this, "not initialized properly"));
! trace("forcing alloc", word_size, word_size);
HeapWord* result = new_alloc_region_and_allocate(word_size, true /* force */);
if (result != NULL) {
! trace("alloc forced", word_size, word_size, word_size, result);
return result;
}
! trace("alloc forced failed", word_size, word_size);
return NULL;
}
#endif // SHARE_VM_GC_G1_G1ALLOCREGION_INLINE_HPP
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