From: Davidlohr Bueso <dave@stgolabs.net>
To: Shawn Bohrer <shawn.bohrer@gmail.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: HugePages_Rsvd leak
Date: Wed, 08 Apr 2015 12:29:03 -0700 [thread overview]
Message-ID: <1428521343.11099.4.camel@stgolabs.net> (raw)
In-Reply-To: <20150408161539.GA29546@sbohrermbp13-local.rgmadvisors.com>
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
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next prev parent reply other threads:[~2015-04-08 19:29 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-08 16:15 Shawn Bohrer
2015-04-08 19:29 ` Davidlohr Bueso [this message]
2015-04-08 20:19 ` Shawn Bohrer
2015-04-08 21:16 ` Mike Kravetz
2015-04-08 21:42 ` Shawn Bohrer
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