On Thu, Feb 16, 2017 at 04:35:25PM -0800, Shaohua Li wrote:
> On Thu, Feb 16, 2017 at 12:52:53PM -0500, Johannes Weiner wrote:
> > On Tue, Feb 14, 2017 at 11:36:08AM -0800, Shaohua Li wrote:
> > > @@ -126,4 +126,24 @@ static __always_inline enum lru_list page_lru(struct
> > > page *page)
> > >
>
On Thu, Feb 16, 2017 at 12:52:53PM -0500, Johannes Weiner wrote:
> On Tue, Feb 14, 2017 at 11:36:08AM -0800, Shaohua Li wrote:
> > @@ -126,4 +126,24 @@ static __always_inline enum lru_list page_lru(struct
> > page *page)
> >
> > #define lru_to_page(head) (list_entry((head)->prev, struct page, l
On Tue, Feb 14, 2017 at 11:36:08AM -0800, Shaohua Li wrote:
> @@ -126,4 +126,24 @@ static __always_inline enum lru_list page_lru(struct
> page *page)
>
> #define lru_to_page(head) (list_entry((head)->prev, struct page, lru))
>
> +/*
> + * lazyfree pages are clean anonymous pages. They have Sw
madv MADV_FREE indicate pages are 'lazyfree'. They are still anonymous
pages, but they can be freed without pageout. To destinguish them
against normal anonymous pages, we clear their SwapBacked flag.
MADV_FREE pages could be freed without pageout, so they pretty much like
used once file pages. Fo
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