Hi Wen,
2012/07/19 14:58, Wen Congyang wrote:
At 07/18/2012 06:16 PM, Yasuaki Ishimatsu Wrote:
All pages of virtual mapping in removed memory cannot be freed, since some
pages
used as PGD/PUD includes not only removed memory but also other memory. So
the
patch checks whether page can be
All pages of virtual mapping in removed memory cannot be freed, since some pages
used as PGD/PUD includes not only removed memory but also other memory. So the
patch checks whether page can be freed or not.
How to check whether page can be freed or not?
1. When removing memory, the page structs
At 07/18/2012 06:16 PM, Yasuaki Ishimatsu Wrote:
All pages of virtual mapping in removed memory cannot be freed, since some
pages
used as PGD/PUD includes not only removed memory but also other memory. So the
patch checks whether page can be freed or not.
How to check whether page can be
Hi Wen,
2012/07/19 18:45, Wen Congyang wrote:
At 07/18/2012 06:16 PM, Yasuaki Ishimatsu Wrote:
All pages of virtual mapping in removed memory cannot be freed, since some
pages
used as PGD/PUD includes not only removed memory but also other memory. So
the
patch checks whether page can be
At 07/19/2012 05:45 PM, Wen Congyang Wrote:
At 07/18/2012 06:16 PM, Yasuaki Ishimatsu Wrote:
All pages of virtual mapping in removed memory cannot be freed, since some
pages
used as PGD/PUD includes not only removed memory but also other memory. So
the
patch checks whether page can be
All pages of virtual mapping in removed memory cannot be freed, since some pages
used as PGD/PUD includes not only removed memory but also other memory. So the
patch checks whether page can be freed or not.
How to check whether page can be freed or not?
1. When removing memory, the page structs
At 07/18/2012 06:16 PM, Yasuaki Ishimatsu Wrote:
All pages of virtual mapping in removed memory cannot be freed, since some
pages
used as PGD/PUD includes not only removed memory but also other memory. So the
patch checks whether page can be freed or not.
How to check whether page can be