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>
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 @@
#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 @@
* 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 @@
{
__destroy_context(mm->context.id);
subpage_prot_free(mm);
- mm->context.id = NO_CONTEXT;
+ mm->context.id = MMU_NO_CONTEXT;
}