Commit376c216

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Update comment, generation mem contexts have a "keeper" block

The keeper block was introduced in commit1b0d9aa, but it forgotto update this comment.

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Lines changed: 4 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -271,8 +271,10 @@ GenerationContextCreate(MemoryContext parent,`
`271`	`271`	`* GenerationReset`
`272`	`272`	`*Frees all memory which is allocated in the given set.`
`273`	`273`	`*`
`274`		`- * The code simply frees all the blocks in the context - we don't keep any`
`275`		`- * keeper blocks or anything like that.`
	`274`	`+ * The initial "keeper" block (which shares a malloc chunk with the context`
	`275`	`+ * header) is not given back to the operating system though. In this way, we`
	`276`	`+ * don't thrash malloc() when a context is repeatedly reset after small`
	`277`	`+ * allocations.`
`276`	`278`	`*/`
`277`	`279`	`void`
`278`	`280`	`GenerationReset(MemoryContextcontext)`

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