From: Dave Hansen <dave.hansen@intel.com>
To: Yehuda Yitschak <yehuday@marvell.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Cc: Shadi Ammouri <shadi@marvell.com>
Subject: Re: [QUESTION] mmap of device file with huge pages
Date: Wed, 10 Aug 2016 09:20:00 -0700 [thread overview]
Message-ID: <57AB5430.5000305@intel.com> (raw)
In-Reply-To: <ca84d8e02a0942c39ad0da01a1fe43f1@IL-EXCH02.marvell.com>
On 08/10/2016 12:36 AM, Yehuda Yitschak wrote:
>>> But, the thing I generally suggest is that you
>>> allocate hugetlbfs memory or anonymous transparent huge pages in
>>> your applciation via the _normal_ mechanisms, and then hand a
>>> pointer to that in to your driver.
> Thanks. I can try that. Once I hand the pointer to the driver, is
> there a standard API to map user-space memory to kernel space.
Yes. It's probably worth reading:
http://www.oreilly.com/openbook/linuxdrive3/book/ch15.pdf
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prev parent reply other threads:[~2016-08-10 16:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-09 9:58 [QUESTION] mmap of device file with huge pages Yehuda Yitschak
2016-08-09 17:39 ` Dave Hansen
2016-08-10 7:36 ` Yehuda Yitschak
2016-08-10 16:20 ` Dave Hansen [this message]
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