On 10/3/07, Dave Hansen <[EMAIL PROTECTED]> wrote: > > Not quite. Count can never go below the number of reserved pages plus > > pages allocated to MAP_PRIVATE mappings. That number is computed by: > > (resv + (total - free)). > > So, (total - free) equals the number of MAP_PRIVATE pages? Does that > imply that all reserved pages are shared and that all shared pages are > reserved?
no, not quite. In-use huge page (total - free) can be both private or shared. resv_huge_pages counts number of pages that is committed for shared mapping, but not yet faulted in. What the equation does essentially is: resv_huge_pages + nr-huge-pages-in-use. - Ken - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
