On Tue, Jul 21, 2015 at 03:59:40PM -0400, Eric B Munson wrote: > The cost of faulting in all memory to be locked can be very high when > working with large mappings. If only portions of the mapping will be > used this can incur a high penalty for locking. > > Now that we have the new VMA flag for the locked but not present state, > expose it as an mmap option like MAP_LOCKED -> VM_LOCKED. What is advantage over mmap() + mlock(MLOCK_ONFAULT)? -- Kirill A. Shutemov