On Fri, Feb 03, 2017 at 02:31:22PM -0700, Dave Jiang wrote: > Since the introduction of FAULT_FLAG_SIZE to the vm_fault flag, it has > been somewhat painful with getting the flags set and removed at the > correct locations. More than one kernel oops was introduced due to > difficulties of getting the placement correctly. Removing the flag > values and introducing an input parameter to huge_fault that indicates > the size of the page entry. This makes the code easier to trace and > should avoid the issues we see with the fault flags where removal of the > flag was necessary in the fallback paths. Why is this not in struct vm_fault? Also can be use this opportunity to fold ->huge_fault into ->fault?
