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8305192: serial GC fails "assert(Universe::on_page_boundary(bottom) && Universe::on_page_boundary(end)) failed: invalid space boundaries"

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Reviewed-by: iwalulya, tschatzl
This commit is contained in:
Albert Mingkun Yang 2023-04-17 12:23:17 +00:00
parent 7551529854
commit fb58d77e92
1 changed files with 6 additions and 2 deletions

8
src/hotspot/share/gc/serial/defNewGeneration.cpp

@ -394,8 +394,12 @@ void DefNewGeneration::compute_space_boundaries(uintx minimum_eden_size,
uintx survivor_size = compute_survivor_size(size, SpaceAlignment);
uintx eden_size = size - (2*survivor_size);
if (eden_size > max_eden_size()) {
eden_size = max_eden_size();
survivor_size = (size - eden_size)/2;
// Need to reduce eden_size to satisfy the max constraint. The delta needs
// to be 2*SpaceAlignment aligned so that both survivors are properly
// aligned.
uintx eden_delta = align_up(eden_size - max_eden_size(), 2*SpaceAlignment);
eden_size -= eden_delta;
survivor_size += eden_delta/2;
}
assert(eden_size > 0 && survivor_size <= eden_size, "just checking");