On Tue, Apr 25, 2017 at 05:46:18PM -0400, Johannes Weiner wrote:
> On Tue, Apr 25, 2017 at 08:56:58PM +0800, Huang, Ying wrote:
> > From: Huang Ying
> >
> > If there is no compound map for a THP (Transparent Huge Page), it is
> > possible that the map count of some
On Tue, Apr 25, 2017 at 05:46:18PM -0400, Johannes Weiner wrote:
> On Tue, Apr 25, 2017 at 08:56:58PM +0800, Huang, Ying wrote:
> > From: Huang Ying
> >
> > If there is no compound map for a THP (Transparent Huge Page), it is
> > possible that the map count of some sub-pages of the THP is 0. So
On Tue, Apr 25, 2017 at 08:56:58PM +0800, Huang, Ying wrote:
> From: Huang Ying
>
> If there is no compound map for a THP (Transparent Huge Page), it is
> possible that the map count of some sub-pages of the THP is 0. So it
> is better to split the THP before swapping out.
On Tue, Apr 25, 2017 at 08:56:58PM +0800, Huang, Ying wrote:
> From: Huang Ying
>
> If there is no compound map for a THP (Transparent Huge Page), it is
> possible that the map count of some sub-pages of the THP is 0. So it
> is better to split the THP before swapping out. In this way, the
>
From: Huang Ying
If there is no compound map for a THP (Transparent Huge Page), it is
possible that the map count of some sub-pages of the THP is 0. So it
is better to split the THP before swapping out. In this way, the
sub-pages not mapped will be freed, and we can avoid
From: Huang Ying
If there is no compound map for a THP (Transparent Huge Page), it is
possible that the map count of some sub-pages of the THP is 0. So it
is better to split the THP before swapping out. In this way, the
sub-pages not mapped will be freed, and we can avoid the unnecessary
swap
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