Cached memory refers to both cached memory (that is currently usable) and used memory (that was previous cached)?

Posted by Pacerier on Super User See other posts from Super User or by Pacerier
Published on 2011-11-24T03:12:43Z Indexed on 2011/11/24 10:05 UTC
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Hi all I was trying to confirm my understanding of "standby list" and "modified list" as stated in this article.

Is it true that "Cached memory" (as shown in the image below) refers to memory that is currently cached (available for use), and memory that was previous cached (previously available for use), but currently used (now not available for use) ?

So if x = "Cached memory" (1184), y = "modified cache pages", z = "cached and were modified",

x = y + z holds true ?

enter image description here

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