diff options
Diffstat (limited to 'arch/powerpc/include/asm/mmu_context.h')
| -rw-r--r-- | arch/powerpc/include/asm/mmu_context.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h index 57f5017111f4..37bffa0f7918 100644 --- a/arch/powerpc/include/asm/mmu_context.h +++ b/arch/powerpc/include/asm/mmu_context.h @@ -127,6 +127,7 @@ static inline void inc_mm_active_cpus(struct mm_struct *mm) static inline void dec_mm_active_cpus(struct mm_struct *mm) { + VM_WARN_ON_ONCE(atomic_read(&mm->context.active_cpus) <= 0); atomic_dec(&mm->context.active_cpus); } |