lists.openwall.net   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  linux-hardening  linux-cve-announce  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]
Message-ID: <1428521343.11099.4.camel@stgolabs.net>
Date:	Wed, 08 Apr 2015 12:29:03 -0700
From:	Davidlohr Bueso <dave@...olabs.net>
To:	Shawn Bohrer <shawn.bohrer@...il.com>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: HugePages_Rsvd leak

On Wed, 2015-04-08 at 11:15 -0500, Shawn Bohrer wrote:
> AnonHugePages:    241664 kB
> HugePages_Total:     512
> HugePages_Free:      512
> HugePages_Rsvd:      384
> HugePages_Surp:        0
> Hugepagesize:       2048 kB
> 
> So here I have 384 pages reserved and I can't find anything that is
> using them. 

The output clearly shows all available hugepages are free, Why are you
assuming that reserved implies allocated/in use? This is not true,
please read one of the millions of docs out there -- you can start with:
https://www.kernel.org/doc/Documentation/vm/hugetlbpage.txt

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ