On Fri, 8 May 2015 15:33:43 -0400 Eric B Munson <emunson@xxxxxxxxxx> wrote: > mlock() allows a user to control page out of program memory, but this > comes at the cost of faulting in the entire mapping when it is > allocated. For large mappings where the entire area is not necessary > this is not ideal. > > This series introduces new flags for mmap() and mlockall() that allow a > user to specify that the covered are should not be paged out, but only > after the memory has been used the first time. Please tell us much much more about the value of these changes: the use cases, the behavioural improvements and performance results which the patchset brings to those use cases, etc.
