On Mon, Nov 23, 2015 at 02:54:54AM +0000, Xie, Huawei wrote: I checked shared mapping with MAP_POPULATE between two processes. It > works. Then i did some search, find the manual is also ambiguous to > others and thus have been changed, :). > Before: MAP_POPULATE is only supported for private mappings since Linux > 2.6.23. > After: MAP_POPULATE is supported for private mappings only since Linux > 2.6.23. > http://stackoverflow.com/questions/23502361/linux-mmap-with-map-populate-man-page-seems-to-give-wrong-info > >
Doesn't matter much for us, as we use shared rather than private mappings for the hugepages. /Bruce