Messages in this thread | | | Date | Thu, 13 Jan 2022 16:31:16 +0100 | From | Michal Hocko <> | Subject | Re: [PATCH v3 2/2] proc: Add getting pages info of ZONE_DEVICE support |
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On Wed 12-01-22 22:35:17, sxwjean@me.com wrote: > From: Xiongwei Song <sxwjean@gmail.com> > > When requesting pages info by /proc/kpage*, the pages in ZONE_DEVICE were > ignored. > > The pfn_to_devmap_page() function can help to get page that belongs to > ZONE_DEVICE.
Why is this needed? Who would consume that information and what for? -- Michal Hocko SUSE Labs
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