Messages in this thread | | | Date | Tue, 22 Oct 2002 10:56:04 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH 2.5.43-mm2] New shared page table patch |
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Benjamin LaHaise wrote: > > On Tue, Oct 22, 2002 at 10:36:40AM -0700, Martin J. Bligh wrote: > > Bear in mind that large pages are neither swap backed or file backed > > (vetoed by Linus), for starters. There are other large app problem scenarios > > apart from Oracle ;-) > > I think the fact that large page support doesn't support mmap for users > that need it is utterly appauling; there are numerous places where it is > needed. The requirement for root-only access makes it useless for most > people, especially in HPC environments where it is most needed as such > machines are usually shared and accounts are non-priveledged. >
Have you reviewed the hugetlbfs and hugetlbpage-backed-shm patches?
That code is still requiring CAP_IPC_LOCK, although I suspect it would be better to allow hugetlbfs mmap to be purely administered by file permissions. - 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/
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