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8210884: ZGC: Remove insertion of filler objects

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Reviewed-by: eosterlund
This commit is contained in:
Per Lidén 2018-09-19 19:12:20 +02:00
parent 85e31a838e
commit ebfb84c1fe
3 changed files with 0 additions and 22 deletions
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10
src/hotspot/share/gc/z/zPage.inline.hpp
View File

@ -285,11 +285,6 @@ inline uintptr_t ZPage::alloc_object(size_t size) {
_top = new_top;
// Fill alignment padding if needed
if (aligned_size != size) {
ZUtils::insert_filler_object(addr + size, aligned_size - size);
}
return ZAddress::good(addr);
}
@ -308,11 +303,6 @@ inline uintptr_t ZPage::alloc_object_atomic(size_t size) {
const uintptr_t prev_top = Atomic::cmpxchg(new_top, &_top, addr);
if (prev_top == addr) {
// Fill alignment padding if needed
if (aligned_size != size) {
ZUtils::insert_filler_object(addr + size, aligned_size - size);
}
// Success
return ZAddress::good(addr);
}

9
src/hotspot/share/gc/z/zUtils.cpp
View File

@ -22,8 +22,6 @@
*/
#include "precompiled.hpp"
#include "gc/shared/collectedHeap.hpp"
#include "gc/z/zAddress.inline.hpp"
#include "gc/z/zUtils.inline.hpp"
#include "utilities/debug.hpp"
@ -40,10 +38,3 @@ uintptr_t ZUtils::alloc_aligned(size_t alignment, size_t size) {
return (uintptr_t)res;
}
void ZUtils::insert_filler_object(uintptr_t addr, size_t size) {
const size_t fill_size_in_words = bytes_to_words(size);
if (fill_size_in_words >= CollectedHeap::min_fill_size()) {
CollectedHeap::fill_with_objects((HeapWord*)ZAddress::good(addr), fill_size_in_words);
}
}

3
src/hotspot/share/gc/z/zUtils.hpp
View File

@ -42,9 +42,6 @@ public:
// Object
static size_t object_size(uintptr_t addr);
static void object_copy(uintptr_t from, uintptr_t to, size_t size);
// Filler
static void insert_filler_object(uintptr_t addr, size_t size);
};
#endif // SHARE_GC_Z_ZUTILS_HPP