On Mon, Aug 09, 2021 at 09:23:00AM -0700, Linus Torvalds wrote:
> On Mon, Aug 9, 2021 at 2:52 AM <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> >
> > The patch below does not apply to the 4.4-stable tree.
>
> It shouldn't.
>
> The pipe buffer accounting and soft limits that introduced the whole
> "limp along with limited pipe buffers" behavior that this fixes was
> introduced by
>
> > Fixes: 759c01142a ("pipe: limit the per-user amount of pages allocated in pipes")
>
> ..which made it into 4.5.
>
> So 4.4 is unaffected and doesn't want this patch.
But that commit showed up in 4.4.13 as fa6d0ba12a8e ("pipe: limit the
per-user amount of pages allocated in pipes") which is why I asked about
this. The code didn't look similar at all, so I couldn't easily figure
out the backport myself :(
Willy, any ideas?
thanks,
greg k-h
