Messages in this thread | | | Date | Fri, 18 Jul 2003 15:48:24 -0700 | From | William Lee Irwin III <> | Subject | Re: 2.4.22pre6aa1 |
| |
On Sat, Jul 19, 2003 at 12:27:50AM +0200, Andrea Arcangeli wrote: > bigpages= is a documented API that has to be used in production, so I > can easily add the hugetlbfs API but I guess I've to keep this one > anyways. I also would need to verify the performance of hugetlbfs before > suggesting migrating to it, for example I don't want > preallocation/prefaulting (IIRC hugetlbfs preallocates everything). I > also like the single huge array of page pointers, that is very hardwired > but optimal for those workloads.
Most of the complaints I've gotten are about lack of support for mixed PSE and non-PSE mappings, not preallocation or performance (generally its usage doesn't involve creation/destruction cycle performance requirements, and most of the time they intend to use 100% of the memory).
It's basically too stupid and operating on too small a data set to screw up performance-wise apart from creation/destruction, which is not intended to be performant (and will never be; it blits oversized areas).
I wouldn't mind hearing of what you believe is missing, so long as it's within the constraints of what's mergeable. =(
-- wli - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |