这只会影响DB 2进程地址空间，而不会影响整个系统。
This will only affect the DB2 process address space and not the system as a whole. The following entry in the DB2 diagnostic log describes this event on my system.
较大的本机应用程序在加载时就会占用大量的进程地址空间。
Large native applications can occupy a significant chunk of the process address space simply by being loaded.
对于进程地址空间中的用户数据，必须使用内核服务进行访问。
User data within the process address space must be accessed using kernel services.
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