[PATCH v2 1/5] LoongArch: Add update_mmu_tlb_range()

[Bang Li]

Added update_mmu_tlb_range function, we can batch update tlb of an
address range.

Signed-off-by: Bang Li <libang.li at antgroup.com>
---
 arch/loongarch/include/asm/pgtable.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/loongarch/include/asm/pgtable.h b/arch/loongarch/include/asm/pgtable.h
index af3acdf3481a..924b6b031f06 100644
--- a/arch/loongarch/include/asm/pgtable.h
+++ b/arch/loongarch/include/asm/pgtable.h
@@ -470,6 +470,10 @@ static inline void update_mmu_cache_range(struct vm_fault *vmf,
 #define __HAVE_ARCH_UPDATE_MMU_TLB
 #define update_mmu_tlb	update_mmu_cache
 
+#define __HAVE_ARCH_UPDATE_MMU_TLB_RANGE
+#define update_mmu_tlb_range(vma, addr, ptep, nr) \
+	update_mmu_cache_range(NULL, vma, addr, ptep, nr)
+
 static inline void update_mmu_cache_pmd(struct vm_area_struct *vma,
 			unsigned long address, pmd_t *pmdp)
 {
-- 
2.19.1.6.gb485710b