lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Thu, 18 Oct 2007 16:27:27 +1000
From:	Nick Piggin <>
To:	Vasily Averin <>
Cc:	Linux Kernel Mailing List <>,,
Subject: Re: How Inactive may be much greather than cached?


On Thursday 18 October 2007 16:24, Vasily Averin wrote:
> Hi all,
> could anybody explain how "inactive" may be much greater than "cached"?
> stress test ( that writes into
> removed files in cycle puts the node to the following state:
> MemTotal: 16401648 kB
> MemFree: 636644 kB
> Buffers: 1122556 kB
> Cached: 362880 kB
> SwapCached: 700 kB
> Active: 1604180 kB
> Inactive: 13609828 kB
> At the first glance memory should be freed on file closing, nobody refers
> to file and ext3_delete_inode() truncates inode. We can see that memory is
> go away from "cached", however could somebody explain why it become
> "invalid" instead be freed? Who holds the references to these pages?

Buffers, swap cache, and anonymous.
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to
More majordomo info at

Powered by blists - more mailing lists