On Sun, Jan 28 2001, Linus Torvalds wrote:
> On Sun, 28 Jan 2001, Jens Axboe wrote:
> >
> > How about this instead?
>
> I really don't like this one. It will basically re-introduce the old
> behaviour of waking people up in a trickle, as far as I can tell. The
> reason we want the batching is to
On Sun, 28 Jan 2001, Jens Axboe wrote:
>
> How about this instead?
I really don't like this one. It will basically re-introduce the old
behaviour of waking people up in a trickle, as far as I can tell. The
reason we want the batching is to make people have more requests to sort
in the elevator
On Sun, Jan 28 2001, Lorenzo Allegrucci wrote:
> >Ho humm. Jens: imagine that you have more people waiting for requests than
> >"batchcount". Further, imagine that you have multiple requests finishing
> >at the same time. Not unlikely. Now, imagine that one request finishes,
> >and causes "batchco
At 15.40 27/01/01 -0800, you wrote:
>
>
>On Sat, 27 Jan 2001, Lorenzo Allegrucci wrote:
>>
>> A trivial "while(1) fork()" is enough to trigger it.
>> "mem=32M" by lilo, ulimit -u is 1024.
>
>Hmm.. This does not look like a VM deadlock - it looks like some IO
>request is waiting forever on "__get_
On Sun, 28 Jan 2001, Jens Axboe wrote:
> On Sat, Jan 27 2001, Linus Torvalds wrote:
> > > What was the trace of this? Just curious, the below case outlined by
> > > Linus should be pretty generic, but I'd still like to know what
> > > can lead to this condition.
> >
> > It was posted on linux-k
On Sat, Jan 27 2001, Linus Torvalds wrote:
> > What was the trace of this? Just curious, the below case outlined by
> > Linus should be pretty generic, but I'd still like to know what
> > can lead to this condition.
>
> It was posted on linux-kernel - I don't save the dang things because I
> have
On Sun, 28 Jan 2001, Jens Axboe wrote:
> >
> > So what happens is that somebody takes a page fault (and gets the mm
> > lock), tries to read something in, and never gets anything back, thus
> > leaving the MM locked.
>
> What was the trace of this? Just curious, the below case outlined by
> Li
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