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Don't set mark array bits for UOH objects during concurrent marking #87533

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Jun 15, 2023
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Don't set mark array bits for UOH objects during concurrent marking #87533

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9 changes: 1 addition & 8 deletions src/coreclr/gc/gc.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -44352,14 +44352,7 @@ CObjectHeader* gc_heap::allocate_uoh_object (size_t jsize, uint32_t flags, int g
uint8_t* current_lowest_address = background_saved_lowest_address;
uint8_t* current_highest_address = background_saved_highest_address;

if ((result < current_highest_address) && (result >= current_lowest_address))
{
dprintf (3, ("Clearing mark bit at address %zx",
(size_t)(&mark_array [mark_word_of (result)])));

mark_array_clear_marked (result);
}
if (current_c_gc_state != c_gc_state_free)
if (current_c_gc_state == c_gc_state_planning)
{
dprintf (3, ("Concurrent allocation of a large object %zx",
(size_t)obj));
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