Re: [PATCH v2 05/10] mm/gup: separate PageHighMem() and PageHighMemZone() use case

2020-05-03 Thread Joonsoo Kim
2020년 5월 1일 (금) 오후 9:24, Christoph Hellwig 님이 작성: > > On Wed, Apr 29, 2020 at 12:26:38PM +0900, js1...@gmail.com wrote: > > From: Joonsoo Kim > > > > Until now, PageHighMem() is used for two different cases. One is to check > > if there is a direct mapping for this page or not. The other is to

Re: [PATCH v2 05/10] mm/gup: separate PageHighMem() and PageHighMemZone() use case

2020-05-01 Thread Christoph Hellwig
On Wed, Apr 29, 2020 at 12:26:38PM +0900, js1...@gmail.com wrote: > From: Joonsoo Kim > > Until now, PageHighMem() is used for two different cases. One is to check > if there is a direct mapping for this page or not. The other is to check > the zone of this page, that is, weather it is the