From: Eric B Munson <ebmunson@us.ibm.com>
To: Dave Hansen <dave@linux.vnet.ibm.com>
Cc: linux-mm@kvack.org, nacc <nacc@linux.vnet.ibm.com>,
mel@csn.ul.ie, andyw <andyw@linux.vnet.ibm.com>
Subject: Re: [RFC][PATCH 1/2] Add shared and reserve control to hugetlb_file_setup
Date: Fri, 02 May 2008 14:55:01 -0700 [thread overview]
Message-ID: <1209765301.8581.18.camel@grover.beaverton.ibm.com> (raw)
In-Reply-To: <1209744977.7763.29.camel@nimitz.home.sr71.net>
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On Fri, 2008-05-02 at 09:16 -0700, Dave Hansen wrote:
> On Thu, 2008-05-01 at 18:51 -0700, Eric B Munson wrote:
> > In order to back stacks with huge pages, we will want to make hugetlbfs
> > files to back them; these will be used to back private mappings.
> > Currently hugetlb_file_setup creates files to back shared memory segments.
> > Modify this to create both private and shared files,
>
> Hugetlbfs can currently have private mappings, right? Why not just use
> the existing ones instead of creating a new variety with
> hugetlb_file_setup()?
>
> -- Dave
>
Currently the only way to create a private mapping of a huge page is to
have the file system mounted. This change allows a huge page private
mapping without mounting the filesystem.
Eric
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next prev parent reply other threads:[~2008-05-02 21:55 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-02 1:51 [RFC][PATCH 1/2] Add shared and reserve control to hugetlb_file_setup Eric B Munson
2008-05-02 16:16 ` Dave Hansen
2008-05-02 21:55 ` Eric B Munson [this message]
2008-05-05 10:58 ` Mel Gorman
2008-05-06 17:23 ` Dave Hansen
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