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| author | Michael Ellerman <michael@ozlabs.org> | 2011-04-12 19:00:04 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-04-20 16:59:20 +1000 |
| commit | 5e8e7b404ac965be45e25d5538676151de89aefb (patch) | |
| tree | cd52be505e33150a2bd2afb271ee6e93b2984498 | |
| parent | af2771493a1bf79cd9a1ab4f30327c428b5bd67c (diff) | |
| download | blackbird-op-linux-5e8e7b404ac965be45e25d5538676151de89aefb.tar.gz blackbird-op-linux-5e8e7b404ac965be45e25d5538676151de89aefb.zip | |
powerpc/mm: Standardise on MMU_NO_CONTEXT
Use MMU_NO_CONTEXT as the initialiser for mm_context.id on
nohash and hash64.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| -rw-r--r-- | arch/powerpc/include/asm/tlbflush.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/mm/mmu_context_hash64.c | 3 |
2 files changed, 3 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/tlbflush.h b/arch/powerpc/include/asm/tlbflush.h index d50a380b2b6f..81143fcbd113 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 2535828aa84b..c5859448a0ab 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; } |
