Re: [PATCH RFC 0/7] mm: PG_reserved cleanups and documentation

2018-12-05 Thread David Hildenbrand
On 05.12.18 13:56, Michal Hocko wrote: > On Wed 05-12-18 13:28:44, David Hildenbrand wrote: > [...] >> Most notably, for device memory we can hopefully soon stop setting >> it PG_reserved > > I am busy as hell so I am not likely to look at specific patche this > week. But could you be more specifi

Re: [PATCH RFC 0/7] mm: PG_reserved cleanups and documentation

2018-12-05 Thread Michal Hocko
On Wed 05-12-18 13:28:44, David Hildenbrand wrote: [...] > Most notably, for device memory we can hopefully soon stop setting > it PG_reserved I am busy as hell so I am not likely to look at specific patche this week. But could you be more specific why we need to get rid of other PG_reserved users

[PATCH RFC 0/7] mm: PG_reserved cleanups and documentation

2018-12-05 Thread David Hildenbrand
I was recently going over all users of PG_reserved. Short story: it is difficult and sometimes not really clear if setting/checking for PG_reserved is only a relict from the past. Easy to break things. I had way more cleanups in this series inititally, but some architectures take PG_reserved as a