diff options
| author |   Will Deacon <will.deacon@arm.com> | 2018-08-24 13:28:28 +0100 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2018-09-04 11:08:26 +0100 |
| commit | faaadaf315b48d40b39bf4f0011fa740f40fbe9e (patch) | |
| tree | 4dfdc8acc7b05ee33f8a9e8312a726153fc86bcb /include/asm-generic/tlb.h | |
| parent | Linux 4.19-rc2 (diff) | |
| download | linux-dev-faaadaf315b48d40b39bf4f0011fa740f40fbe9e.tar.xz linux-dev-faaadaf315b48d40b39bf4f0011fa740f40fbe9e.zip | |
asm-generic/tlb: Guard with #ifdef CONFIG_MMU
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>
Diffstat (limited to '')
| -rw-r--r-- | include/asm-generic/tlb.h | 4 |
1 files changed, 4 insertions, 0 deletions
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 */ |