How to calculate page address to PFN

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To: linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, kernelnewbies@xxxxxxxxxxxxxxxxx
Subject: How to calculate page address to PFN
From: Pankaj Suryawanshi <pankajssuryawanshi@xxxxxxxxx>
Date: Fri, 5 Apr 2019 16:37:58 +0530

Hello,

I have PFN of all processes in user space, how to calculate page address to PFN.

eg .

page address :bf05febc in kernel space.

I have PFN no for user space processes as below.

8a81b

69da0

88cf4

88d06

88d07

9549f

952d0

9734a

87c7d

87ca0

How to calculate/match page address to PFN ?

Regards,

Pankaj

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