Re: [PATCH V2 0/7] Add FOLL_LONGTERM to GUP fast and use it

2019-02-15 Thread Ira Weiny
> NOTE: This series depends on my clean up patch to remove the write parameter > from gup_fast_permitted()[1] > > HFI1, qib, and mthca, use get_user_pages_fast() due to it performance > advantages. These pages can be held for a significant time. But > get_user_pages_fast() does not protect

[PATCH V2 0/7] Add FOLL_LONGTERM to GUP fast and use it

2019-02-13 Thread ira . weiny
From: Ira Weiny NOTE: This series depends on my clean up patch to remove the write parameter from gup_fast_permitted()[1] HFI1, qib, and mthca, use get_user_pages_fast() due to it performance advantages. These pages can be held for a significant time. But get_user_pages_fast() does not