diff options
Diffstat (limited to 'arch/riscv/kernel/smpboot.c')
| -rw-r--r-- | arch/riscv/kernel/smpboot.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/riscv/kernel/smpboot.c b/arch/riscv/kernel/smpboot.c index 4a232600cedb..17e748312afd 100644 --- a/arch/riscv/kernel/smpboot.c +++ b/arch/riscv/kernel/smpboot.c @@ -30,6 +30,7 @@ #include <linux/irq.h> #include <linux/of.h> #include <linux/sched/task_stack.h> +#include <linux/sched/mm.h> #include <asm/irq.h> #include <asm/mmu_context.h> #include <asm/tlbflush.h> @@ -101,7 +102,7 @@ asmlinkage void __init smp_callin(void) struct mm_struct *mm = &init_mm; /* All kernel threads share the same mm context. */ - atomic_inc(&mm->mm_count); + mmgrab(mm); current->active_mm = mm; trap_init(); |