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Merge pull request #4898 from alektron/ArenaTotalUsedMismatch

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Invalid virtual arena state after resize
This commit is contained in:
gingerBill
2025-03-02 17:15:52 +00:00
committed by GitHub
parent b9b27bc1e0 fd539b5e81
commit 4b2b49dc30
1 changed files with 2 additions and 0 deletions
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2
core/mem/virtual/arena.odin
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@@ -341,7 +341,9 @@ arena_allocator_proc :: proc(allocator_data: rawptr, mode: mem.Allocator_Mode,
new_end := start + size
if start < old_end && old_end == block.used && new_end <= block.reserved {
// grow data in-place, adjusting next allocation
prev_used := block.used
_ = alloc_from_memory_block(block, new_end - old_end, 1, default_commit_size=arena.default_commit_size) or_return
arena.total_used += block.used - prev_used
data = block.base[start:new_end]
return
}