[libc-commits] [libc] [libc][malloc] Reuse the prev_ field for allocated blocks (PR #101265)

[via libc-commits]

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@@ -332,29 +353,34 @@ Block<OffsetType, kAlign>::init(ByteSpan region) {
     return {};
 
   region = result.value();
-  if (region.size() < BLOCK_OVERHEAD)
+  if (region.size() < 2 * BLOCK_OVERHEAD)
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PiJoules wrote:

Out of curiosity, why does this need to be `2 * BLOCK_OVERHEAD`?

https://github.com/llvm/llvm-project/pull/101265