Mod: add remark for memory pool

5ac8e681 · AlexStocks · e3391e63 · 5ac8e681
Commit 5ac8e681 authored Jun 29, 2019 by AlexStocks
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buffer.go bytes/buffer.go +3 -1

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--- a/bytes/buffer.go
+++ b/bytes/buffer.go
@@ -32,10 +32,12 @@ type ContextKey int
 const (
 	ContextKeyBufferPoolCtx ContextKey = iota
-	ContextKeyEnd
+	ContextKeyEnd = 15
 )
 const (
+	// !! there are 16 levels memory block in a memory pool.
+	// such as 2 4 8 16 32 64 128 512 1024 ...
 	maxBufferPool = 16
 )