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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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  reply	other threads:[~2019-04-05 21:28 UTC|newest]

Thread overview: 3+ 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 21:27   ` Valdis Klētnieks [this message]
2019-04-06  6:15     ` Pankaj Suryawanshi

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