Messages in this thread Patch in this message | | | From | Will Deacon <> | Subject | [PATCH v2 1/5] asm-generic/tlb: Guard with #ifdef CONFIG_MMU | Date | Tue, 4 Sep 2018 12:45:29 +0100 |
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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.
Acked-by: Nicholas Piggin <npiggin@gmail.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Will Deacon <will.deacon@arm.com> --- include/asm-generic/tlb.h | 4 ++++ 1 file changed, 4 insertions(+)
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 */ -- 2.1.4
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