| Message ID | 1535645747-9823-8-git-send-email-will.deacon@arm.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Avoid synchronous TLB invalidation for intermediate page-table entries on arm64 | expand |
diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h index b3353e21f3b3..a25e236f7a7f 100644 --- a/include/asm-generic/tlb.h +++ b/include/asm-generic/tlb.h @@ -20,6 +20,8 @@ #include <asm/pgalloc.h> #include <asm/tlbflush.h> +#ifdef CONFIG_MMU + #ifdef CONFIG_HAVE_RCU_TABLE_FREE /* * Semi RCU freeing of the page directories. @@ -310,6 +312,8 @@ static inline void tlb_remove_check_page_size_change(struct mmu_gather *tlb, #endif #endif +#endif /* CONFIG_MMU */ + #define tlb_migrate_finish(mm) do {} while (0) #endif /* _ASM_GENERIC__TLB_H */
The inner workings of the mmu_gather-based TLB invalidation mechanism are not relevant to nommu configurations, so guard them with an #ifdef. This allows us to implement future functions using static inlines without breaking the build. Signed-off-by: Will Deacon <will.deacon@arm.com> --- include/asm-generic/tlb.h | 4 ++++ 1 file changed, 4 insertions(+) -- 2.1.4