Re: How to calculate page address to PFN in user space.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: Pankaj Suryawanshi <suryawanshipankaj@xxxxxxxxx>
Subject: Re: How to calculate page address to PFN in user space.
From: "Valdis Klētnieks" <valdis.kletnieks@xxxxxx>
Date: Fri, 05 Apr 2019 17:27:37 -0400
Cc: LKML <linux-kernel@xxxxxxxxxxxxxxx>, "linux-mm@xxxxxxxxx" <linux-mm@xxxxxxxxx>, "kernelnewbies@xxxxxxxxxxxxxxxxx" <kernelnewbies@xxxxxxxxxxxxxxxxx>
In-reply-to: <1536252828.16026118.1554461687939@mail.yahoo.com>
References: <1536252828.16026118.1554461687939.ref@mail.yahoo.com> <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?)

Follow-Ups:
- Re: How to calculate page address to PFN in user space.
  - From: Pankaj Suryawanshi

References:
- How to calculate page address to PFN in user space.
  - From: Pankaj Suryawanshi

Prev by Date: Re: [PATCH] mm:workingset use real time to judge activity of the file page
Next by Date: [mm PATCH v7 0/4] Deferred page init improvements
Previous by thread: How to calculate page address to PFN in user space.
Next by thread: Re: How to calculate page address to PFN in user space.
Index(es):
- Date
- Thread

[Index of Archives] [Linux ARM Kernel] [Linux ARM] [Linux Omap] [Fedora ARM] [IETF Annouce] [Bugtraq] [Linux OMAP] [Linux MIPS] [eCos] [Asterisk Internet PBX] [Linux API]

Powered by Linux