On 02/16/2016 12:36 AM, Ingo Molnar wrote: >> > From: Dave Hansen <dave.han...@linux.intel.com> >> > >> > The concept here was a suggestion from Ingo. The implementation >> > horrors are all mine. >> > >> > This allows get_user_pages(), get_user_pages_unlocked(), and >> > get_user_pages_locked() to be called with or without the >> > leading tsk/mm arguments. We will give a compile-time warning >> > about the old style being __deprecated and we will also >> > WARN_ON() if the non-remote version is used for a remote-style >> > access. > So at minimum this should be WARN_ON_ONCE(), to make it easier to recover > some > meaningful kernel log from such incidents.
I went to go fix this in the code but realized that I coded it up as WARN_ONCE(). The description was just imprecise. So I won't be sending a code fix for this.