On Tue, Feb 12, 2019 at 10:56:23AM +0800, Peter Xu wrote:
> For either swap and page migration, we all use the bit 2 of the entry to
> identify whether this entry is uffd write-protected. It plays a similar
> role as the existing soft dirty bit in swap entries but only for keeping
> the uffd-wp tr
On Thu, Feb 21, 2019 at 01:16:19PM -0500, Jerome Glisse wrote:
> On Tue, Feb 12, 2019 at 10:56:23AM +0800, Peter Xu wrote:
> > For either swap and page migration, we all use the bit 2 of the entry to
> > identify whether this entry is uffd write-protected. It plays a similar
> > role as the existi
On Tue, Feb 12, 2019 at 10:56:23AM +0800, Peter Xu wrote:
> For either swap and page migration, we all use the bit 2 of the entry to
> identify whether this entry is uffd write-protected. It plays a similar
> role as the existing soft dirty bit in swap entries but only for keeping
> the uffd-wp tr
For either swap and page migration, we all use the bit 2 of the entry to
identify whether this entry is uffd write-protected. It plays a similar
role as the existing soft dirty bit in swap entries but only for keeping
the uffd-wp tracking for a specific PTE/PMD.
Something special here is that whe
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