diff options
Diffstat (limited to 'include/asm-generic/tlb.h')
| -rw-r--r-- | include/asm-generic/tlb.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h index 3063125197ad..e811ef7b8350 100644 --- a/include/asm-generic/tlb.h +++ b/include/asm-generic/tlb.h @@ -303,4 +303,14 @@ static inline void tlb_remove_check_page_size_change(struct mmu_gather *tlb, #define tlb_migrate_finish(mm) do {} while (0) +/* + * Used to flush the TLB when page tables are removed, when lazy + * TLB mode may cause a CPU to retain intermediate translations + * pointing to about-to-be-freed page table memory. + */ +#ifndef HAVE_TLB_FLUSH_REMOVE_TABLES +#define tlb_flush_remove_tables(mm) do {} while (0) +#define tlb_flush_remove_tables_local(mm) do {} while (0) +#endif + #endif /* _ASM_GENERIC__TLB_H */ |