On Sun, 11 Mar 2007, Andi Kleen wrote: > This and i386 version are ok to me, although it might be better to just > finish __GFP_ZERO support to do this.
This would not work for pgds on i386 and x86_64 GFP_ZERO support the way I have done it in the past would mean another set of buddy lists in the page allocator and another issue with fragmentation. So I have stayed away from it although patches exist in my archives (See my ftp.kernel.org archive). Maybe we could implemento limited GFP_ZERO support by just keeping an additional per cpu list of pages? The issue with that one is that a page may grow cold on that list. One usually want the page to be hot in the cache when it is allocated. This is different for page table pages. Page table pages are typically sparsely accessed. - 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/
