Fix change missed as part of Bug# 15815. Use a function to check if a block

needs to be made younger.

buf/buf0buf.c

@@ -903,8 +903,7 @@ buf_block_make_young(
 	/* Note that we read freed_page_clock's without holding any mutex:
 	this is allowed since the result is used only in heuristics */
 
-	if (buf_pool->freed_page_clock >= block->freed_page_clock
-				+ 1 + (buf_pool->curr_size / 4)) {
+	if (buf_block_peek_if_too_old(block)) {
 
 		mutex_enter(&buf_pool->mutex);
 		/* There has been freeing activity in the LRU list:

include/buf0buf.ic

@@ -28,7 +28,7 @@ buf_block_peek_if_too_old(
 	buf_block_t*	block)	/* in: block to make younger */
 {
 	return(buf_pool->freed_page_clock >= block->freed_page_clock
-	       + 1 + (buf_pool->curr_size / 1024));
+	       + 1 + (buf_pool->curr_size / 4));
 }
 
 /*************************************************************************