From: "Valdis Klētnieks" <valdis.kletnieks@vt.edu>
To: Pankaj Suryawanshi <suryawanshipankaj@yahoo.com>
Cc: "linux-mm@kvack.org" <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
"kernelnewbies@kernelnewbies.org"
<kernelnewbies@kernelnewbies.org>
Subject: Re: How to calculate page address to PFN in user space.
Date: Fri, 05 Apr 2019 17:27:37 -0400 [thread overview]
Message-ID: <6977.1554499657@turing-police> (raw)
In-Reply-To: <1536252828.16026118.1554461687939@mail.yahoo.com>
On Fri, 05 Apr 2019 10:54:47 -0000, Pankaj Suryawanshi said:
> I have PFN of all processes in user space, how to calculate page address to PFN.
*All* user processes? That's going to be a lot of PFN's. What problem are you trying
to solve here?
(Hint - under what cases does the kernel care about the PFN of *any* user page?)
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WARNING: multiple messages have this Message-ID (diff)
From: "Valdis Klētnieks" <valdis.kletnieks@vt.edu>
To: Pankaj Suryawanshi <suryawanshipankaj@yahoo.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"kernelnewbies@kernelnewbies.org"
<kernelnewbies@kernelnewbies.org>
Subject: Re: How to calculate page address to PFN in user space.
Date: Fri, 05 Apr 2019 17:27:37 -0400 [thread overview]
Message-ID: <6977.1554499657@turing-police> (raw)
In-Reply-To: <1536252828.16026118.1554461687939@mail.yahoo.com>
On Fri, 05 Apr 2019 10:54:47 -0000, Pankaj Suryawanshi said:
> I have PFN of all processes in user space, how to calculate page address to PFN.
*All* user processes? That's going to be a lot of PFN's. What problem are you trying
to solve here?
(Hint - under what cases does the kernel care about the PFN of *any* user page?)
next prev parent reply other threads:[~2019-04-05 21:28 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1536252828.16026118.1554461687939.ref@mail.yahoo.com>
2019-04-05 10:54 ` How to calculate page address to PFN in user space Pankaj Suryawanshi
2019-04-05 10:54 ` Pankaj Suryawanshi
2019-04-05 21:27 ` Valdis Klētnieks [this message]
2019-04-05 21:27 ` Valdis Klētnieks
2019-04-06 6:15 ` Pankaj Suryawanshi
2019-04-06 6:15 ` Pankaj Suryawanshi
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