[PATCH v2 4/5] powerpc: use lazy mm refcount helper functions
From: Nicholas Piggin <npiggin@gmail.com>
Date: 2020-12-14 07:03:28
Also in:
linux-arch, linux-mm, lkml
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
Use _lazy_tlb functions for lazy mm refcounting in powerpc, to prepare to move to MMU_LAZY_TLB_SHOOTDOWN. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> --- arch/powerpc/kernel/smp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 8c2857cbd960..93c0eaa6f4bf 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c@@ -1395,7 +1395,7 @@ void start_secondary(void *unused) { unsigned int cpu = raw_smp_processor_id(); - mmgrab(&init_mm); + mmgrab_lazy_tlb(&init_mm); current->active_mm = &init_mm; smp_store_cpu_info(cpu);
--
2.23.0