On 1/30/21 11:45 AM, Alexander Lobakin wrote:
From: Jakub Kicinski
Date: Sat, 30 Jan 2021 11:07:07 -0800
On Sat, 30 Jan 2021 15:42:29 + Alexander Lobakin wrote:
On Wed, 27 Jan 2021 20:11:23 + Alexander Lobakin wrote:
+ * dev_page_is_reserved - check whether a page can be reused
From: Jakub Kicinski
Date: Sat, 30 Jan 2021 11:07:07 -0800
> On Sat, 30 Jan 2021 15:42:29 + Alexander Lobakin wrote:
> > > On Wed, 27 Jan 2021 20:11:23 + Alexander Lobakin wrote:
> > > > + * dev_page_is_reserved - check whether a page can be reused for
> > > > network Rx
> > > > + *
On Sat, 30 Jan 2021 15:42:29 + Alexander Lobakin wrote:
> > On Wed, 27 Jan 2021 20:11:23 + Alexander Lobakin wrote:
> > > + * dev_page_is_reserved - check whether a page can be reused for network
> > > Rx
> > > + * @page: the page to test
> > > + *
> > > + * A page shouldn't be
From: Jakub Kicinski
Date: Fri, 29 Jan 2021 18:39:07 -0800
> On Wed, 27 Jan 2021 20:11:23 + Alexander Lobakin wrote:
> > + * dev_page_is_reserved - check whether a page can be reused for network Rx
> > + * @page: the page to test
> > + *
> > + * A page shouldn't be considered for
On Wed, 27 Jan 2021 20:11:23 + Alexander Lobakin wrote:
> + * dev_page_is_reserved - check whether a page can be reused for network Rx
> + * @page: the page to test
> + *
> + * A page shouldn't be considered for reusing/recycling if it was allocated
> + * under memory pressure or at a distant
On Wed, 27 Jan 2021, Alexander Lobakin wrote:
> A bunch of drivers test the page before reusing/recycling for two
> common conditions:
> - if a page was allocated under memory pressure (pfmemalloc page);
> - if a page was allocated at a distant memory node (to exclude
>slowdowns).
>
>
Alexander Lobakin wrote:
> A bunch of drivers test the page before reusing/recycling for two
> common conditions:
> - if a page was allocated under memory pressure (pfmemalloc page);
> - if a page was allocated at a distant memory node (to exclude
>slowdowns).
>
> Introduce and use a new
A bunch of drivers test the page before reusing/recycling for two
common conditions:
- if a page was allocated under memory pressure (pfmemalloc page);
- if a page was allocated at a distant memory node (to exclude
slowdowns).
Introduce and use a new common function for doing this and
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