Use MMU_NO_CONTEXT as the initialiser for mm_context.id on
nohash and hash64.
Signed-off-by: Michael Ellerman <mich...@ellerman.id.au>
---
arch/powerpc/include/asm/tlbflush.h | 2 ++
arch/powerpc/mm/mmu_context_hash64.c | 3 +--
2 files changed, 3 insertions(+), 2 deletions(-)
v2: Updated to not break 40x.
diff --git a/arch/powerpc/include/asm/tlbflush.h
b/arch/powerpc/include/asm/tlbflush.h
index d50a380..81143fc 100644
--- a/arch/powerpc/include/asm/tlbflush.h
+++ b/arch/powerpc/include/asm/tlbflush.h
@@ -79,6 +79,8 @@ static inline void local_flush_tlb_mm(struct mm_struct *mm)
#elif defined(CONFIG_PPC_STD_MMU_64)
+#define MMU_NO_CONTEXT 0
+
/*
* TLB flushing for 64-bit hash-MMU CPUs
*/
diff --git a/arch/powerpc/mm/mmu_context_hash64.c
b/arch/powerpc/mm/mmu_context_hash64.c
index 2535828..c585944 100644
--- a/arch/powerpc/mm/mmu_context_hash64.c
+++ b/arch/powerpc/mm/mmu_context_hash64.c
@@ -31,7 +31,6 @@ static DEFINE_IDA(mmu_context_ida);
* Each segment contains 2^28 bytes. Each context maps 2^44 bytes,
* so we can support 2^19-1 contexts (19 == 35 + 28 - 44).
*/
-#define NO_CONTEXT 0
#define MAX_CONTEXT ((1UL << 19) - 1)
int __init_new_context(void)
@@ -95,5 +94,5 @@ void destroy_context(struct mm_struct *mm)
{
__destroy_context(mm->context.id);
subpage_prot_free(mm);
- mm->context.id = NO_CONTEXT;
+ mm->context.id = MMU_NO_CONTEXT;
}
--
1.7.1
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