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    SubjectRe: [RFC] Arch option to touch newly allocated pages
    On Thu, Mar 07, 2002 at 02:36:08PM +0100, Daniel Phillips wrote:
    > On March 7, 2002 02:49 pm, Alan Cox wrote:
    > > Jeff Dike Apparently wrote
    > > > caller. This is actually wrong because in this failure case, it effectively
    > > > changes the semantics of GFP_USER, GFP_KERNEL, and the other blocking GFP_*
    > > > allocations to GFP_ATOMIC. And that's what forced UML to segfault the
    > > > compilations.
    > >
    > > GFP_KERNEL will sometimes return NULL.
    >
    > Sad but true. IMHO we are on track to fix that in this kernel cycle, with
    > better locked/dirty accounting and rmap to forcibly unmap pages when necessary.

    Why is that a fix? And how can it work?


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    Victor Yodaiken
    Finite State Machine Labs: The RTLinux Company.
    www.fsmlabs.com www.rtlinux.com

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