Commit faaadaf3 authored by Will Deacon's avatar Will Deacon

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: default avatarNicholas Piggin <npiggin@gmail.com>
Acked-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
parent 57361846
...@@ -20,6 +20,8 @@ ...@@ -20,6 +20,8 @@
#include <asm/pgalloc.h> #include <asm/pgalloc.h>
#include <asm/tlbflush.h> #include <asm/tlbflush.h>
#ifdef CONFIG_MMU
#ifdef CONFIG_HAVE_RCU_TABLE_FREE #ifdef CONFIG_HAVE_RCU_TABLE_FREE
/* /*
* Semi RCU freeing of the page directories. * Semi RCU freeing of the page directories.
...@@ -310,6 +312,8 @@ static inline void tlb_remove_check_page_size_change(struct mmu_gather *tlb, ...@@ -310,6 +312,8 @@ static inline void tlb_remove_check_page_size_change(struct mmu_gather *tlb,
#endif #endif
#endif #endif
#endif /* CONFIG_MMU */
#define tlb_migrate_finish(mm) do {} while (0) #define tlb_migrate_finish(mm) do {} while (0)
#endif /* _ASM_GENERIC__TLB_H */ #endif /* _ASM_GENERIC__TLB_H */
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