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 <[email protected]> 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
