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    SubjectRe: [PATCH] Radix-tree pagecache for 2.5
    On Fri, 1 Feb 2002, Jeff Garzik wrote:

    > > the biggest reason for this is that we *suck* at readahead for mmap....
    > Is there not also fault overhead and similar issues related to mmap(2)
    > in general, that are not present with read(2)/write(2)?

    If a fault is more expensive than a system call, we're doing
    something wrong in the page fault path ;)

    "Linux holds advantages over the single-vendor commercial OS"
    -- Microsoft's "Competing with Linux" document

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