On Wed, Jul 22, 2020 at 1:55 AM Arnd Bergmann <arnd@xxxxxxxx> wrote: > > Adding Roman Gushchin to Cc, he touched that code recently. > > Naresh, if nobody has any immediate ideas, you could double-check by > reverting these commits: > > e0b8d00b7561 mm: memcg/percpu: per-memcg percpu memory statistics > 99411af13595 mm/percpu: fix 'defined but not used' warning > 9398ce6306b6 mm-memcg-percpu-account-percpu-memory-to-memory-cgroups-fix-fix > 54116d471779 mm-memcg-percpu-account-percpu-memory-to-memory-cgroups-fix > ec518e090843 mm: memcg/percpu: account percpu memory to memory cgroups > 9bc897d18dc3 percpu: return number of released bytes from pcpu_free_area() > > Arnd > I think syzbot has bisected this issue to the suspect patch. https://lore.kernel.org/lkml/00000000000043f09405ab01b0b8@xxxxxxxxxx/
