powerpc: Update kernel VSID range

[cascardo/linux.git] / arch / powerpc / mm / mmu_context_hash64.c

diff --git a/arch/powerpc/mm/mmu_context_hash64.c b/arch/powerpc/mm/mmu_context_hash64.c
index 40bc5b0..d1d1b92 100644 (file)
--- a/arch/powerpc/mm/mmu_context_hash64.c
+++ b/arch/powerpc/mm/mmu_context_hash64.c
@@ -29,15 +29,6 @@
 static DEFINE_SPINLOCK(mmu_context_lock);
 static DEFINE_IDA(mmu_context_ida);
 
-/*
- * 256MB segment
- * The proto-VSID space has 2^(CONTEX_BITS + USER_ESID_BITS) - 1 segments
- * available for user mappings. Each segment contains 2^28 bytes. Each
- * context maps 2^46 bytes (64TB) so we can support 2^19-1 contexts
- * (19 == 37 + 28 - 46).
- */
-#define MAX_CONTEXT    ((1UL << CONTEXT_BITS) - 1)
-
 int __init_new_context(void)
 {
        int index;
@@ -56,7 +47,7 @@ again:
        else if (err)
                return err;
 
-       if (index > MAX_CONTEXT) {
+       if (index > MAX_USER_CONTEXT) {
                spin_lock(&mmu_context_lock);
                ida_remove(&mmu_context_ida, index);
                spin_unlock(&mmu_context_lock);