>> huge=never Do not allocate huge pages. This is the default. >> huge=always Attempt to allocate huge page every time a new page is >> needed. >> huge=within_size Only allocate huge page if it will be fully within i_size. >> Also respect madvise(2) hints. >> huge=advise Only allocate huge page if requested with madvise(2). >> >> so what's the difference between huge=never and huge=madvise? > > I think madvise means MADV_HUGEPAGE for the region, not MADV_COLLAPSE.
Yes, most likely. The doc is quite old. -- Cheers, David
