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    SubjectRe: [CFT] delayed allocation and multipage I/O patches for 2.5.6.

    --On Monday, March 18, 2002 12:14:27 -0800 Andrew Morton <akpm@zip.com.au> wrote:

    > One other possible explanation is to do with radix-tree pagecache.
    > It has to allocate memory to add nodes to the tree. When these
    > allocations start failing due to out-of-memory, the VM will keep
    > on calling swap_out() a trillion times without noticing that it
    > didn't work out. But if this happened, yo would have seen a huge
    > number of "0-order allocation failed" messages.

    Yes, I did see a huge number of those messages. It also died
    on 2.5.6 clean though. I chalked it up to 2.5 instability.
    Will test again when things calm down. Any chance you will
    backport to 2.4?

    Glad to help.

    Hanna



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