On Sun, 8 Apr 2018 11:37:37 +0800 "Huang, Ying" <ying.hu...@intel.com> wrote:
> From: Huang Ying <ying.hu...@intel.com>
> The swap offset reported by /proc/<pid>/pagemap may be not correct for
> PMD migration entry. If addr passed into pagemap_range() isn't
> aligned with PMD start address,
How can this situation come about?
> the swap offset reported doesn't
> reflect this. And in the loop to report information of each sub-page,
> the swap offset isn't increased accordingly as that for PFN.
> BTW: migration swap entries have PFN information, do we need to
> restrict whether to show them?
For what reason? Address obfuscation?