diff options
| -rw-r--r-- | include/asm-um/pgtable.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/asm-um/pgtable.h b/include/asm-um/pgtable.h index 188f72621776..e57ff136ee51 100644 --- a/include/asm-um/pgtable.h +++ b/include/asm-um/pgtable.h @@ -408,6 +408,15 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) #include <asm-generic/pgtable-nopud.h> +#ifdef CONFIG_HIGHMEM +/* 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 + #endif #endif |