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-rw-r--r--arch/powerpc/mm/mmu_context_hash64.c11
1 files changed, 1 insertions, 10 deletions
diff --git a/arch/powerpc/mm/mmu_context_hash64.c b/arch/powerpc/mm/mmu_context_hash64.c
index 40bc5b0ace54..d1d1b92c5b99 100644
--- a/arch/powerpc/mm/mmu_context_hash64.c
+++ b/arch/powerpc/mm/mmu_context_hash64.c
@@ -29,15 +29,6 @@
29static DEFINE_SPINLOCK(mmu_context_lock); 29static DEFINE_SPINLOCK(mmu_context_lock);
30static DEFINE_IDA(mmu_context_ida); 30static DEFINE_IDA(mmu_context_ida);
31 31
32/*
33 * 256MB segment
34 * The proto-VSID space has 2^(CONTEX_BITS + USER_ESID_BITS) - 1 segments
35 * available for user mappings. Each segment contains 2^28 bytes. Each
36 * context maps 2^46 bytes (64TB) so we can support 2^19-1 contexts
37 * (19 == 37 + 28 - 46).
38 */
39#define MAX_CONTEXT ((1UL << CONTEXT_BITS) - 1)
40
41int __init_new_context(void) 32int __init_new_context(void)
42{ 33{
43 int index; 34 int index;
@@ -56,7 +47,7 @@ again:
56 else if (err) 47 else if (err)
57 return err; 48 return err;
58 49
59 if (index > MAX_CONTEXT) { 50 if (index > MAX_USER_CONTEXT) {
60 spin_lock(&mmu_context_lock); 51 spin_lock(&mmu_context_lock);
61 ida_remove(&mmu_context_ida, index); 52 ida_remove(&mmu_context_ida, index);
62 spin_unlock(&mmu_context_lock); 53 spin_unlock(&mmu_context_lock);