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Minor changes to pagemap codegen

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This commit is contained in:
Matthew Parkinson
2019-07-01 17:05:24 +01:00
parent 0453e43cc5
commit 86fde10052
1 changed files with 3 additions and 3 deletions
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6
src/mem/pagemap.h
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@@ -112,7 +112,7 @@ namespace snmalloc
// to see that correctly.
PagemapEntry* value = e->load(std::memory_order_relaxed);
if (likely((value != nullptr) && (value != LOCKED_ENTRY)))
if (likely(value > LOCKED_ENTRY))
{
result = true;
return value;
@@ -175,7 +175,7 @@ namespace snmalloc
for (size_t i = 0; i < INDEX_LEVELS; i++)
{
PagemapEntry* value = get_node<create_addr>(e, result);
if (!result)
if (unlikely(!result))
return std::pair(nullptr, 0);
shift -= BITS_PER_INDEX_LEVEL;
@@ -195,7 +195,7 @@ namespace snmalloc
Leaf* leaf = reinterpret_cast<Leaf*>(get_node<create_addr>(e, result));
if (!result)
if (unlikely(!result))
return std::pair(nullptr, 0);
shift -= BITS_FOR_LEAF;