Messages in this thread Patch in this message | | | From | Atish Patra <> | Subject | [PATCH v5 09/12] RISC-V: Use mmgrab() | Date | Thu, 13 Sep 2018 11:37:02 -0700 |
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From: Palmer Dabbelt <palmer@sifive.com>
commit f1f1007644ff ("mm: add new mmgrab() helper") added a helper that we missed out on.
Signed-off-by: Palmer Dabbelt <palmer@sifive.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Atish Patra <atish.patra@wdc.com> --- arch/riscv/kernel/smpboot.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/riscv/kernel/smpboot.c b/arch/riscv/kernel/smpboot.c index 4a232600..17e74831 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(); -- 2.7.4
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