Linux kernel bug fix: powerpc/64s: Fix THP PMD collapse serialisation
Subsystem: arch/powerpc (arch/powerpc/include/asm/book3s/64/pgtable.h)
Bug type: crash, severity: high
Files changed: arch/powerpc/include/asm/book3s/64/pgtable.h;arch/powerpc/mm/book3s64/pgtable.c
Introduced by Christophe Leroy on 2018-10-14 18:04:09 +1100; fixed by Nicholas Piggin on 2019-06-07 16:26:44 +1000 (lifetime: 235 days)