um: Remove unused kpte_clear_flush macro

This macro has no users, and __flush_tlb_one doesn't exist either.

Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
Signed-off-by: Richard Weinberger <richard@nod.at>

diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h
index 5bb397b..83373c9 100644 (file)
--- a/arch/um/include/asm/pgtable.h
+++ b/arch/um/include/asm/pgtable.h
@@ -359,11 +359,4 @@ static inline pte_t pte_swp_clear_exclusive(pte_t pte)
        return pte;
 }
 
-/* Clear a kernel PTE and flush it from the TLB */
-#define kpte_clear_flush(ptep, vaddr)          \
-do {                                           \
-       pte_clear(&init_mm, (vaddr), (ptep));   \
-       __flush_tlb_one((vaddr));               \
-} while (0)
-
 #endif