On Wed, 2019-10-23 at 20:38 +0200, Jesper Dangaard Brouer wrote:
> On Tue, 22 Oct 2019 04:44:21 +
> Saeed Mahameed wrote:
>
> > A page is NOT reusable when at least one of the following is true:
> > 1) allocated when system was under some pressure.
> > (page_is_pfmemalloc)
> > 2) belongs to a
On Tue, 22 Oct 2019 04:44:21 +
Saeed Mahameed wrote:
> A page is NOT reusable when at least one of the following is true:
> 1) allocated when system was under some pressure. (page_is_pfmemalloc)
> 2) belongs to a different NUMA node than pool->p.nid.
>
> To update pool->p.nid users should ca
A page is NOT reusable when at least one of the following is true:
1) allocated when system was under some pressure. (page_is_pfmemalloc)
2) belongs to a different NUMA node than pool->p.nid.
To update pool->p.nid users should call page_pool_update_nid().
Holding on to such pages in the pool will