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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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