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    SubjectRe: 2.1.125 Show stopper list: Draft
       From: (Alan Cox)
    Date: Mon, 12 Oct 1998 20:54:04 +0100 (BST)

    > What about the PGE/PTE problem? Any user can just mmap/munmap all possible
    > (768 under x86) page tables for their process, then use up a lot of GFP_KERNEL

    Do you have a demo for this ?

    I think the solution is to just add PAGE_SIZE or whatever to RLIMIT_AS
    every time a new page table chunk is allocated. If RLIMIT_AS cannot
    be legitimately overridden like this, then add some new one and set a
    sane default. If you do it the second way don't forget to notify the
    glibc folks :-)

    David S. Miller

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