powerpc: Fix incorrect comment about interrupt stack allocation

We now allow interrupt stacks anywhere in the first segment which can be
256M or 1TB. Fix the comment.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index ce6f61c6f87..5a0401fcaeb 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -437,8 +437,8 @@ static void __init irqstack_early_init(void)
         unsigned int i;
 
         /*
-         * interrupt stacks must be under 256MB, we cannot afford to take
-         * SLB misses on them.
+         * Interrupt stacks must be in the first segment since we
+         * cannot afford to take SLB misses on them.
          */
         for_each_possible_cpu(i) {
                 softirq_ctx[i] = (struct thread_info *)