ARCv2: mm: THP: flush_pmd_tlb_range make SMP safe
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
diff --git a/arch/arc/mm/tlb.c b/arch/arc/mm/tlb.c
index 005090e..29b5878 100644
--- a/arch/arc/mm/tlb.c
+++ b/arch/arc/mm/tlb.c
@@ -421,6 +421,15 @@
local_flush_tlb_range(ta->ta_vma, ta->ta_start, ta->ta_end);
}
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+static inline void ipi_flush_pmd_tlb_range(void *arg)
+{
+ struct tlb_args *ta = arg;
+
+ local_flush_pmd_tlb_range(ta->ta_vma, ta->ta_start, ta->ta_end);
+}
+#endif
+
static inline void ipi_flush_tlb_kernel_range(void *arg)
{
struct tlb_args *ta = (struct tlb_args *)arg;
@@ -461,6 +470,20 @@
on_each_cpu_mask(mm_cpumask(vma->vm_mm), ipi_flush_tlb_range, &ta, 1);
}
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+void flush_pmd_tlb_range(struct vm_area_struct *vma, unsigned long start,
+ unsigned long end)
+{
+ struct tlb_args ta = {
+ .ta_vma = vma,
+ .ta_start = start,
+ .ta_end = end
+ };
+
+ on_each_cpu_mask(mm_cpumask(vma->vm_mm), ipi_flush_pmd_tlb_range, &ta, 1);
+}
+#endif
+
void flush_tlb_kernel_range(unsigned long start, unsigned long end)
{
struct tlb_args ta = {
@@ -659,8 +682,8 @@
return pgtable;
}
-void flush_pmd_tlb_range(struct vm_area_struct *vma, unsigned long start,
- unsigned long end)
+void local_flush_pmd_tlb_range(struct vm_area_struct *vma, unsigned long start,
+ unsigned long end)
{
unsigned int cpu;
unsigned long flags;