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    SubjectRe: patch for 2.1.102 swap code
       Date: 	Sun, 24 May 1998 18:28:48 +0100
    From: "Stephen C. Tweedie" <sct@dcs.ed.ac.uk>

    The __get_free_page() may block, however, and in a threaded
    environment this will cause the loss of user data plus a memory
    leak if two threads hit this race. However, I don't think it's
    related to the current writable cached page problems.

    The mmap semaphore is held, it cannot happen.

    Later,
    David S. Miller
    davem@dm.cobaltmicro.com

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