Messages in this thread | | | Date | Mon, 21 Oct 2013 05:11:16 +0530 | Subject | Re: Classifying user and kernel pages | From | Piyus Kedia <> |
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The user pages are generally allocated using GFP_USER or GFP_HIGHMEM flags. The linux kernel treats GFP_USER and GFP_KERNEL as same. So, there is no way you can tell whether a physical page belongs to user process or not using physical frame number.
Piyus
On Fri, Oct 4, 2013 at 12:19 AM, Piyus Kedia <piyuskedia@gmail.com> wrote: > Hi All, > > Does anybody know if there is a way in Linux Kernel to find whether a > physical page is a user page or it is kernel page. A kernel page is > only accessed by kernel and it doesn't belong to any user process. > > Thanks, > Piyus
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