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8205679: Remove unused ThreadLocalAllocBuffer::undo_allocate()

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Reviewed-by: shade, stefank
This commit is contained in:
Per Lidén 2018-06-28 09:15:53 +02:00
parent 19608b393d
commit 4d06934426
2 changed files with 1 additions and 19 deletions
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5
src/hotspot/share/gc/shared/threadLocalAllocBuffer.hpp
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@ -89,8 +89,6 @@ private:
size_t remaining(); size_t remaining();
bool is_last_allocation(HeapWord* obj, size_t size) { return pointer_delta(top(), obj) == size; }
// Make parsable and release it. // Make parsable and release it.
void reset(); void reset();
@ -143,9 +141,6 @@ public:
inline HeapWord* allocate(size_t size); inline HeapWord* allocate(size_t size);
HeapWord* allocate_sampled_object(size_t size); HeapWord* allocate_sampled_object(size_t size);
// Undo last allocation.
inline bool undo_allocate(HeapWord* obj, size_t size);
// Reserve space at the end of TLAB // Reserve space at the end of TLAB
static size_t end_reserve() { static size_t end_reserve() {
int reserve_size = typeArrayOopDesc::header_size(T_INT); int reserve_size = typeArrayOopDesc::header_size(T_INT);

15
src/hotspot/share/gc/shared/threadLocalAllocBuffer.inline.hpp
View file

@ -1,5 +1,5 @@
/* /*
* Copyright (c) 1999, 2016, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 1999, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* *
* This code is free software; you can redistribute it and/or modify it * This code is free software; you can redistribute it and/or modify it
@ -53,19 +53,6 @@ inline HeapWord* ThreadLocalAllocBuffer::allocate(size_t size) {
return NULL; return NULL;
} }
inline bool ThreadLocalAllocBuffer::undo_allocate(HeapWord* obj, size_t size) {
invariants();
if (!is_last_allocation(obj, size)) {
return false;
}
set_top(obj);
invariants();
return true;
}
inline size_t ThreadLocalAllocBuffer::compute_size(size_t obj_size) { inline size_t ThreadLocalAllocBuffer::compute_size(size_t obj_size) {
// Compute the size for the new TLAB. // Compute the size for the new TLAB.
// The "last" tlab may be smaller to reduce fragmentation. // The "last" tlab may be smaller to reduce fragmentation.