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    SubjectRe: wait queue process state
    On Mon, May 27, 2002 at 05:11:23PM -0400, Joseph Cordina wrote:
    > The reason I am asking is that I am working on scheduler activations
    > which allow new kernel threads to be created when a kernel thread blocks
    > inside the kernel. Yet this only works for INTERRUPTIBLE processes, I
    > was thinking of making it work also for NONINTERRUPTIBLE processes. Just
    > wondering if this would have any repurcusions. Also when a process
    > generates a page fault which causes a page to be retreived from the
    > filesystem, it such a process placed in the wait queue as

    filemap_nopage() from mm/filemap.c does wait_on_page() or some variant
    thereof (2.5 has wait_on_page_locked()) in several places, and it's
    placed into the TASK_UNINTERRUPTIBLE state while doing so.

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