On Thu, 4 Apr 2024 21:20:06 +0200 David Hildenbrand <david@xxxxxxxxxx> wrote: > >> Reported-by: Wupeng Ma <mawupeng1@xxxxxxxxxx> > >> Closes: https://lkml.kernel.org/r/20240227122814.3781907-1-mawupeng1@xxxxxxxxxx > >> Fixes: b1a86e15dc03 ("x86, pat: remove the dependency on 'vm_pgoff' in track/untrack pfn vma routines") > >> Fixes: 5899329b1910 ("x86: PAT: implement track/untrack of pfnmap regions for x86 - v3") > > > > These are really old. Should we backport this? > > I was asking that question myself. > > With the reproducer, the worst thing that happens on most systems is the > warning. On !RAM and with PAT, there could be memory leaks and other > surprises. > > Likely, we should just backport it to stable. Should not be too hard to > backport to stable kernels I guess/hope. OK, thanks, I added the cc:stable tag.