On Mon, 19 Jun 2023 21:43:11 +0100 Will Deacon <will@xxxxxxxxxx> wrote: > > /* > > * Do not downgrade mmap_lock if we are next to VM_GROWSDOWN or > > * VM_GROWSUP VMA. Such VMAs can change their size under > > This resolution seems to be causing horrible problems on arm64 with 16k > pages. I see things like the crash below, but the two branches being merged > are fine on their own. I've dropped the mm.git side of this conflict so next -next should be better.
